250000120 has 64 divisors (see below), whose sum is σ = 596448000. Its totient is φ = 94141440.

The previous prime is 250000117. The next prime is 250000123. The reversal of 250000120 is 21000052.

It is an interprime number because it is at equal distance from previous prime (250000117) and next prime (250000123).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 250000097 and 250000106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250000123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43156 + ... + 48604.

It is an arithmetic number, because the mean of its divisors is an integer number (9319500).

Almost surely, 2^250000120 is an apocalyptic number.

250000120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 250000120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298224000).

250000120 is an abundant number, since it is smaller than the sum of its proper divisors (346447880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

250000120 is a wasteful number, since it uses less digits than its factorization.

250000120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5528 (or 5524 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 10.

The square root of 250000120 is about 15811.3920955746. The cubic root of 250000120 is about 629.9606257411.

Adding to 250000120 its reverse (21000052), we get a palindrome (271000172).

The spelling of 250000120 in words is "two hundred fifty million, one hundred twenty", and thus it is an aban number.