124189164261 has 6 divisors (see below), whose sum is σ = 179384348390. Its totient is φ = 82792776168.

The previous prime is 124189164259. The next prime is 124189164271. The reversal of 124189164261 is 162461981421.

124189164261 is a `hidden beast` number, since 1 + 241 + 8 + 91 + 64 + 261 = 666.

It can be written as a sum of positive squares in only one way, i.e., 119428992225 + 4760172036 = 345585^2 + 68994^2 .

It is not a de Polignac number, because 124189164261 - 2¹ = 124189164259 is a prime.

It is a super-2 number, since 2×124189164261² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124189164271) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6899398006 + ... + 6899398023.

Almost surely, 2^124189164261 is an apocalyptic number.

It is an amenable number.

124189164261 is a deficient number, since it is larger than the sum of its proper divisors (55195184129).

124189164261 is a wasteful number, since it uses less digits than its factorization.

124189164261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13798796035 (or 13798796032 counting only the distinct ones).

The product of its digits is 165888, while the sum is 45.

The spelling of 124189164261 in words is "one hundred twenty-four billion, one hundred eighty-nine million, one hundred sixty-four thousand, two hundred sixty-one".