1253123131004 has 12 divisors (see below), whose sum is σ = 2193008085744. Its totient is φ = 626549392224.

The previous prime is 1253123130979. The next prime is 1253123131037. The reversal of 1253123131004 is 4001313213521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2809712 + ... + 3225015.

It is an arithmetic number, because the mean of its divisors is an integer number (182750673812).

Almost surely, 2^{1253123131004} is an apocalyptic number.

It is an amenable number.

1253123131004 is a deficient number, since it is larger than the sum of its proper divisors (939884954740).

1253123131004 is a wasteful number, since it uses less digits than its factorization.

1253123131004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6086644 (or 6086642 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 1253123131004 its reverse (4001313213521), we get a palindrome (5254436344525).

The spelling of 1253123131004 in words is "one trillion, two hundred fifty-three billion, one hundred twenty-three million, one hundred thirty-one thousand, four".