124552161 has 10 divisors (see below), whose sum is σ = 186059522. Its totient is φ = 83034720.

The previous prime is 124552159. The next prime is 124552177. The reversal of 124552161 is 161255421.

It can be written as a sum of positive squares in only one way, i.e., 124545600 + 6561 = 11160^2 + 81^2 .

It is not a de Polignac number, because 124552161 - 2¹ = 124552159 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124552121) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 768760 + ... + 768921.

Almost surely, 2^124552161 is an apocalyptic number.

It is an amenable number.

124552161 is a deficient number, since it is larger than the sum of its proper divisors (61507361).

124552161 is an equidigital number, since it uses as much as digits as its factorization.

124552161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1537693 (or 1537684 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 124552161 is about 11160.2939477417. The cubic root of 124552161 is about 499.4021668092.

The spelling of 124552161 in words is "one hundred twenty-four million, five hundred fifty-two thousand, one hundred sixty-one".