126727677 has 24 divisors (see below), whose sum is σ = 191505600. Its totient is φ = 80602368.

The previous prime is 126727661. The next prime is 126727703. The reversal of 126727677 is 776727621.

It is not a de Polignac number, because 126727677 - 2⁴ = 126727661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126727577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 135949 + ... + 136877.

It is an arithmetic number, because the mean of its divisors is an integer number (7979400).

Almost surely, 2^126727677 is an apocalyptic number.

It is an amenable number.

126727677 is a deficient number, since it is larger than the sum of its proper divisors (64777923).

126727677 is a wasteful number, since it uses less digits than its factorization.

126727677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1617 (or 1614 counting only the distinct ones).

The product of its digits is 345744, while the sum is 45.

The square root of 126727677 is about 11257.3388063076. The cubic root of 126727677 is about 502.2930372182.

The spelling of 126727677 in words is "one hundred twenty-six million, seven hundred twenty-seven thousand, six hundred seventy-seven".