1257134892233 has 16 divisors (see below), whose sum is σ = 1427779637376. Its totient is φ = 1096729683840.

The previous prime is 1257134892227. The next prime is 1257134892311. The reversal of 1257134892233 is 3322984317521.

It is a cyclic number.

It is not a de Polignac number, because 1257134892233 - 2²⁰ = 1257133843657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1257134892733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21126341 + ... + 21185762.

It is an arithmetic number, because the mean of its divisors is an integer number (89236227336).

Almost surely, 2^{1257134892233} is an apocalyptic number.

It is an amenable number.

1257134892233 is a deficient number, since it is larger than the sum of its proper divisors (170644745143).

1257134892233 is a wasteful number, since it uses less digits than its factorization.

1257134892233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42312224.

The product of its digits is 2177280, while the sum is 50.

The spelling of 1257134892233 in words is "one trillion, two hundred fifty-seven billion, one hundred thirty-four million, eight hundred ninety-two thousand, two hundred thirty-three".