126954285525 has 24 divisors (see below), whose sum is σ = 233219725760. Its totient is φ = 67708951920.

The previous prime is 126954285487. The next prime is 126954285551. The reversal of 126954285525 is 525582459621.

It is a happy number.

126954285525 is a `hidden beast` number, since 1 + 2 + 6 + 95 + 4 + 28 + 5 + 525 = 666.

It is not a de Polignac number, because 126954285525 - 2⁹ = 126954285013 is a prime.

It is a super-2 number, since 2×126954285525² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 94039537 + ... + 94040886.

Almost surely, 2^126954285525 is an apocalyptic number.

126954285525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

126954285525 is a deficient number, since it is larger than the sum of its proper divisors (106265440235).

126954285525 is a wasteful number, since it uses less digits than its factorization.

126954285525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188080442 (or 188080431 counting only the distinct ones).

The product of its digits is 8640000, while the sum is 54.

The spelling of 126954285525 in words is "one hundred twenty-six billion, nine hundred fifty-four million, two hundred eighty-five thousand, five hundred twenty-five".