126922565 has 32 divisors (see below), whose sum is σ = 199895040. Its totient is φ = 74952000.

The previous prime is 126922553. The next prime is 126922567. The reversal of 126922565 is 565229621.

It is not a de Polignac number, because 126922565 - 2⁶ = 126922501 is a prime.

It is a super-2 number, since 2×126922565² = 32218675012358450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126922567) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1361 + ... + 15990.

It is an arithmetic number, because the mean of its divisors is an integer number (6246720).

Almost surely, 2^126922565 is an apocalyptic number.

It is an amenable number.

126922565 is a deficient number, since it is larger than the sum of its proper divisors (72972475).

126922565 is a wasteful number, since it uses less digits than its factorization.

126922565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17393.

The product of its digits is 64800, while the sum is 38.

The square root of 126922565 is about 11265.9915231639. The cubic root of 126922565 is about 502.5503889142.

The spelling of 126922565 in words is "one hundred twenty-six million, nine hundred twenty-two thousand, five hundred sixty-five".