126964565 has 32 divisors (see below), whose sum is σ = 188407296. Its totient is φ = 79983360.

The previous prime is 126964559. The next prime is 126964573. The reversal of 126964565 is 565469621.

It is not a de Polignac number, because 126964565 - 2²⁰ = 125915989 is a prime.

It is a super-2 number, since 2×126964565² = 32240001531278450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 119135 + ... + 120195.

It is an arithmetic number, because the mean of its divisors is an integer number (5887728).

Almost surely, 2^126964565 is an apocalyptic number.

It is an amenable number.

126964565 is a deficient number, since it is larger than the sum of its proper divisors (61442731).

126964565 is a wasteful number, since it uses less digits than its factorization.

126964565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349.

The product of its digits is 388800, while the sum is 44.

The square root of 126964565 is about 11267.8553860085. The cubic root of 126964565 is about 502.6058158552.

The spelling of 126964565 in words is "one hundred twenty-six million, nine hundred sixty-four thousand, five hundred sixty-five".