125315250 has 32 divisors (see below), whose sum is σ = 312788736. Its totient is φ = 33417200.

The previous prime is 125315249. The next prime is 125315257. The reversal of 125315250 is 52513521.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 125315250.

It is not an unprimeable number, because it can be changed into a prime (125315257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82794 + ... + 84293.

It is an arithmetic number, because the mean of its divisors is an integer number (9774648).

Almost surely, 2^125315250 is an apocalyptic number.

125315250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125315250 is an abundant number, since it is smaller than the sum of its proper divisors (187473486).

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

125315250 is a wasteful number, since it uses less digits than its factorization.

125315250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167107 (or 167097 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 125315250 is about 11194.4294182419. The cubic root of 125315250 is about 500.4199804674.

Adding to 125315250 its reverse (52513521), we get a palindrome (177828771).

The spelling of 125315250 in words is "one hundred twenty-five million, three hundred fifteen thousand, two hundred fifty".