126307161 has 24 divisors (see below), whose sum is σ = 198788640. Its totient is φ = 79246656.

The previous prime is 126307147. The next prime is 126307163. The reversal of 126307161 is 161703621.

126307161 is a `hidden beast` number, since 12 + 630 + 7 + 16 + 1 = 666.

It is not a de Polignac number, because 126307161 - 2⁷ = 126307033 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (126307163) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 291 + ... + 15896.

It is an arithmetic number, because the mean of its divisors is an integer number (8282860).

Almost surely, 2^126307161 is an apocalyptic number.

It is an amenable number.

126307161 is a deficient number, since it is larger than the sum of its proper divisors (72481479).

126307161 is a wasteful number, since it uses less digits than its factorization.

126307161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16230 (or 16207 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 126307161 is about 11238.6458703885. The cubic root of 126307161 is about 501.7368411134.

It can be divided in two parts, 12630 and 7161, that added together give a palindrome (19791).

The spelling of 126307161 in words is "one hundred twenty-six million, three hundred seven thousand, one hundred sixty-one".