125002230 has 64 divisors (see below), whose sum is σ = 311482368. Its totient is φ = 32071680.

The previous prime is 125002223. The next prime is 125002231. The reversal of 125002230 is 32200521.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125002231) 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 31 ways as a sum of consecutive naturals, for example, 238749 + ... + 239271.

It is an arithmetic number, because the mean of its divisors is an integer number (4866912).

Almost surely, 2^125002230 is an apocalyptic number.

125002230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 125002230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155741184).

125002230 is an abundant number, since it is smaller than the sum of its proper divisors (186480138).

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

125002230 is a wasteful number, since it uses less digits than its factorization.

125002230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 125002230 is about 11180.4396156860. The cubic root of 125002230 is about 500.0029733157.

Adding to 125002230 its reverse (32200521), we get a palindrome (157202751).

The spelling of 125002230 in words is "one hundred twenty-five million, two thousand, two hundred thirty".