124732161 has 48 divisors (see below), whose sum is σ = 194088960. Its totient is φ = 77051520.

The previous prime is 124732159. The next prime is 124732171. The reversal of 124732161 is 161237421.

It is not a de Polignac number, because 124732161 - 2¹ = 124732159 is a prime.

It is a super-2 number, since 2×124732161² = 31116223975459842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (124732171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 982080 + ... + 982206.

It is an arithmetic number, because the mean of its divisors is an integer number (4043520).

Almost surely, 2^124732161 is an apocalyptic number.

It is an amenable number.

124732161 is a deficient number, since it is larger than the sum of its proper divisors (69356799).

124732161 is a wasteful number, since it uses less digits than its factorization.

124732161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286 (or 283 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 124732161 is about 11168.3553399773. The cubic root of 124732161 is about 499.6426259618.

Adding to 124732161 its reverse (161237421), we get a palindrome (285969582).

The spelling of 124732161 in words is "one hundred twenty-four million, seven hundred thirty-two thousand, one hundred sixty-one".