124705161 has 24 divisors (see below), whose sum is σ = 206254464. Its totient is φ = 71124480.

The previous prime is 124705153. The next prime is 124705171. The reversal of 124705161 is 161507421.

It is a happy number.

It is not a de Polignac number, because 124705161 - 2³ = 124705153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (124705111) 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, 38185 + ... + 41321.

It is an arithmetic number, because the mean of its divisors is an integer number (8593936).

Almost surely, 2^124705161 is an apocalyptic number.

It is an amenable number.

124705161 is a deficient number, since it is larger than the sum of its proper divisors (81549303).

124705161 is a wasteful number, since it uses less digits than its factorization.

124705161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3781 (or 3778 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 124705161 is about 11167.1465021285. The cubic root of 124705161 is about 499.6065718431.

The spelling of 124705161 in words is "one hundred twenty-four million, seven hundred five thousand, one hundred sixty-one".