126969897 has 8 divisors (see below), whose sum is σ = 169396480. Its totient is φ = 84594960.

The previous prime is 126969877. The next prime is 126969919. The reversal of 126969897 is 798969621.

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

It is not a de Polignac number, because 126969897 - 2²⁴ = 110192681 is a prime.

It is a super-2 number, since 2×126969897² = 32242709488381218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126969877) 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, 6754 + ... + 17307.

It is an arithmetic number, because the mean of its divisors is an integer number (21174560).

Almost surely, 2^126969897 is an apocalyptic number.

It is an amenable number.

126969897 is a deficient number, since it is larger than the sum of its proper divisors (42426583).

126969897 is a wasteful number, since it uses less digits than its factorization.

126969897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25823.

The product of its digits is 2939328, while the sum is 57.

The square root of 126969897 is about 11268.0919857800. The cubic root of 126969897 is about 502.6128515629.

The spelling of 126969897 in words is "one hundred twenty-six million, nine hundred sixty-nine thousand, eight hundred ninety-seven".