1252661356124 has 6 divisors (see below), whose sum is σ = 2192157373224. Its totient is φ = 626330678060.

The previous prime is 1252661356027. The next prime is 1252661356127. The reversal of 1252661356124 is 4216531662521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252661356127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156582669512 + ... + 156582669519.

It is an arithmetic number, because the mean of its divisors is an integer number (365359562204).

Almost surely, 2^{1252661356124} is an apocalyptic number.

It is an amenable number.

1252661356124 is a deficient number, since it is larger than the sum of its proper divisors (939496017100).

1252661356124 is a wasteful number, since it uses less digits than its factorization.

1252661356124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313165339035 (or 313165339033 counting only the distinct ones).

The product of its digits is 518400, while the sum is 44.

The spelling of 1252661356124 in words is "one trillion, two hundred fifty-two billion, six hundred sixty-one million, three hundred fifty-six thousand, one hundred twenty-four".