125501231253 has 8 divisors (see below), whose sum is σ = 171857542048. Its totient is φ = 81406203984.

The previous prime is 125501231237. The next prime is 125501231257. The reversal of 125501231253 is 352132105521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 125501231253 - 2⁴ = 125501231237 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125501231253.

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 565320751 + ... + 565320972.

It is an arithmetic number, because the mean of its divisors is an integer number (21482192756).

Almost surely, 2^125501231253 is an apocalyptic number.

It is an amenable number.

125501231253 is a deficient number, since it is larger than the sum of its proper divisors (46356310795).

125501231253 is a wasteful number, since it uses less digits than its factorization.

125501231253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130641763.

The product of its (nonzero) digits is 9000, while the sum is 30.

Adding to 125501231253 its reverse (352132105521), we get a palindrome (477633336774).

The spelling of 125501231253 in words is "one hundred twenty-five billion, five hundred one million, two hundred thirty-one thousand, two hundred fifty-three".