126157995 has 12 divisors (see below), whose sum is σ = 218673936. Its totient is φ = 67284240.

The previous prime is 126157987. The next prime is 126158009. The reversal of 126157995 is 599751621.

126157995 is a `hidden beast` number, since 12 + 61 + 579 + 9 + 5 = 666.

It is not a de Polignac number, because 126157995 - 2³ = 126157987 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 2803511 = 126157995 / (1 + 2 + 6 + 1 + 5 + 7 + 9 + 9 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 126157995.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1401711 + ... + 1401800.

It is an arithmetic number, because the mean of its divisors is an integer number (18222828).

Almost surely, 2^126157995 is an apocalyptic number.

126157995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

126157995 is a deficient number, since it is larger than the sum of its proper divisors (92515941).

126157995 is a wasteful number, since it uses less digits than its factorization.

126157995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2803522 (or 2803519 counting only the distinct ones).

The product of its digits is 170100, while the sum is 45.

The square root of 126157995 is about 11232.0076121769. The cubic root of 126157995 is about 501.5392498903.

The spelling of 126157995 in words is "one hundred twenty-six million, one hundred fifty-seven thousand, nine hundred ninety-five".