126677072 has 20 divisors (see below), whose sum is σ = 246079860. Its totient is φ = 63172608.

The previous prime is 126677059. The next prime is 126677093. The reversal of 126677072 is 270776621.

It can be written as a sum of positive squares in 2 ways, for example, as 38241856 + 88435216 = 6184^2 + 9404^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3953 + ... + 16400.

It is an arithmetic number, because the mean of its divisors is an integer number (12303993).

Almost surely, 2^126677072 is an apocalyptic number.

It is an amenable number.

126677072 is a deficient number, since it is larger than the sum of its proper divisors (119402788).

126677072 is a wasteful number, since it uses less digits than its factorization.

126677072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20750 (or 20744 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 38.

The square root of 126677072 is about 11255.0909369938. The cubic root of 126677072 is about 502.2261696276.

The spelling of 126677072 in words is "one hundred twenty-six million, six hundred seventy-seven thousand, seventy-two".