125001150 has 48 divisors (see below), whose sum is σ = 311859504. Its totient is φ = 33134080.

The previous prime is 125001143. The next prime is 125001181. The reversal of 125001150 is 51100521.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23542 + ... + 28358.

It is an arithmetic number, because the mean of its divisors is an integer number (6497073).

Almost surely, 2^125001150 is an apocalyptic number.

125001150 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 125001150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155929752).

125001150 is an abundant number, since it is smaller than the sum of its proper divisors (186858354).

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

125001150 is a wasteful number, since it uses less digits than its factorization.

125001150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5005 (or 5000 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 15.

The square root of 125001150 is about 11180.3913169441. The cubic root of 125001150 is about 500.0015333286.

Adding to 125001150 its reverse (51100521), we get a palindrome (176101671).

The spelling of 125001150 in words is "one hundred twenty-five million, one thousand, one hundred fifty".