126977822 has 8 divisors (see below), whose sum is σ = 190625400. Its totient is φ = 63436024.

The previous prime is 126977819. The next prime is 126977827. The reversal of 126977822 is 228779621.

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

It is a super-2 number, since 2×126977822² = 32246734559727368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126977827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23372 + ... + 28287.

It is an arithmetic number, because the mean of its divisors is an integer number (23828175).

Almost surely, 2^126977822 is an apocalyptic number.

126977822 is a deficient number, since it is larger than the sum of its proper divisors (63647578).

126977822 is a wasteful number, since it uses less digits than its factorization.

126977822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52890.

The product of its digits is 169344, while the sum is 44.

The square root of 126977822 is about 11268.4436369891. The cubic root of 126977822 is about 502.6233084351.

The spelling of 126977822 in words is "one hundred twenty-six million, nine hundred seventy-seven thousand, eight hundred twenty-two".