125501231252 has 24 divisors (see below), whose sum is σ = 221318961696. Its totient is φ = 62268442848.

The previous prime is 125501231237. The next prime is 125501231257. The reversal of 125501231252 is 252132105521.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125501231257) 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 7 ways as a sum of consecutive naturals, for example, 269558 + ... + 568914.

It is an arithmetic number, because the mean of its divisors is an integer number (9221623404).

Almost surely, 2^125501231252 is an apocalyptic number.

It is an amenable number.

125501231252 is a deficient number, since it is larger than the sum of its proper divisors (95817730444).

125501231252 is a wasteful number, since it uses less digits than its factorization.

125501231252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300167 (or 300165 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 125501231252 its reverse (252132105521), we get a palindrome (377633336773).

The spelling of 125501231252 in words is "one hundred twenty-five billion, five hundred one million, two hundred thirty-one thousand, two hundred fifty-two".