126977061 has 8 divisors (see below), whose sum is σ = 170946880. Its totient is φ = 83829312.

The previous prime is 126977017. The next prime is 126977069. The reversal of 126977061 is 160779621.

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

It is not a de Polignac number, because 126977061 - 2¹⁹ = 126452773 is a prime.

It is a super-2 number, since 2×126977061² = 32246348040395442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126977069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205156 + ... + 205773.

It is an arithmetic number, because the mean of its divisors is an integer number (21368360).

Almost surely, 2^126977061 is an apocalyptic number.

It is an amenable number.

126977061 is a deficient number, since it is larger than the sum of its proper divisors (43969819).

126977061 is a wasteful number, since it uses less digits than its factorization.

126977061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411035.

The product of its (nonzero) digits is 31752, while the sum is 39.

The square root of 126977061 is about 11268.4098700748. The cubic root of 126977061 is about 502.6223043304.

The spelling of 126977061 in words is "one hundred twenty-six million, nine hundred seventy-seven thousand, sixty-one".