126427905 has 32 divisors (see below), whose sum is σ = 225227520. Its totient is φ = 67288320.

The previous prime is 126427891. The next prime is 126427933. The reversal of 126427905 is 509724621.

126427905 is a `hidden beast` number, since 1 + 2 + 642 + 7 + 9 + 0 + 5 = 666.

It is not a de Polignac number, because 126427905 - 2⁸ = 126427649 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 126427905.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118404 + ... + 119466.

It is an arithmetic number, because the mean of its divisors is an integer number (7038360).

Almost surely, 2^126427905 is an apocalyptic number.

126427905 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

126427905 is a deficient number, since it is larger than the sum of its proper divisors (98799615).

126427905 is a wasteful number, since it uses less digits than its factorization.

126427905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1958 (or 1952 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 126427905 is about 11244.0164087394. The cubic root of 126427905 is about 501.8966695254.

The spelling of 126427905 in words is "one hundred twenty-six million, four hundred twenty-seven thousand, nine hundred five".