1252366131 has 8 divisors (see below), whose sum is σ = 1727401680. Its totient is φ = 806120672.

The previous prime is 1252366111. The next prime is 1252366147. The reversal of 1252366131 is 1316632521.

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

It is a cyclic number.

It is not a de Polignac number, because 1252366131 - 2²⁷ = 1118148403 is a prime.

It is a super-2 number, since 2×1252366131² = 3136841852151818322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1252366111) 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, 7197420 + ... + 7197593.

It is an arithmetic number, because the mean of its divisors is an integer number (215925210).

Almost surely, 2^1252366131 is an apocalyptic number.

1252366131 is a deficient number, since it is larger than the sum of its proper divisors (475035549).

1252366131 is a wasteful number, since it uses less digits than its factorization.

1252366131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14395045.

The product of its digits is 6480, while the sum is 30.

The square root of 1252366131 is about 35388.7853846385. The cubic root of 1252366131 is about 1077.8966065646.

Adding to 1252366131 its reverse (1316632521), we get a palindrome (2568998652).

The spelling of 1252366131 in words is "one billion, two hundred fifty-two million, three hundred sixty-six thousand, one hundred thirty-one".