126707977 has 4 divisors (see below), whose sum is σ = 138226896. Its totient is φ = 115189060.

The previous prime is 126707957. The next prime is 126707993. The reversal of 126707977 is 779707621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 126707977 - 2⁷ = 126707849 is a prime.

It is a super-2 number, since 2×126707977² = 32109822870865058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126707957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5759443 + ... + 5759464.

It is an arithmetic number, because the mean of its divisors is an integer number (34556724).

Almost surely, 2^126707977 is an apocalyptic number.

It is an amenable number.

126707977 is a deficient number, since it is larger than the sum of its proper divisors (11518919).

126707977 is a wasteful number, since it uses less digits than its factorization.

126707977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11518918.

The product of its (nonzero) digits is 259308, while the sum is 46.

The square root of 126707977 is about 11256.4637875311. The cubic root of 126707977 is about 502.2670084773.

The spelling of 126707977 in words is "one hundred twenty-six million, seven hundred seven thousand, nine hundred seventy-seven".