126384957 has 6 divisors (see below), whose sum is σ = 182556062. Its totient is φ = 84256632.

The previous prime is 126384949. The next prime is 126384959. The reversal of 126384957 is 759483621.

126384957 is a `hidden beast` number, since 1 + 2 + 638 + 4 + 9 + 5 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 120362841 + 6022116 = 10971^2 + 2454^2 .

It is not a de Polignac number, because 126384957 - 2³ = 126384949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126384959) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7021378 + ... + 7021395.

Almost surely, 2^126384957 is an apocalyptic number.

It is an amenable number.

126384957 is a deficient number, since it is larger than the sum of its proper divisors (56171105).

126384957 is a wasteful number, since it uses less digits than its factorization.

126384957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14042779 (or 14042776 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 126384957 is about 11242.1064307362. The cubic root of 126384957 is about 501.8398310729.

The spelling of 126384957 in words is "one hundred twenty-six million, three hundred eighty-four thousand, nine hundred fifty-seven".