161124938 has 12 divisors (see below), whose sum is σ = 261709398. Its totient is φ = 74365200.

The previous prime is 161124937. The next prime is 161124961. The reversal of 161124938 is 839421161.

It can be written as a sum of positive squares in 3 ways, for example, as 89434849 + 71690089 = 9457^2 + 8467^2 .

It is a super-2 number, since 2×161124938² = 51922491291007688, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 161124898 and 161124907.

It is not an unprimeable number, because it can be changed into a prime (161124937) 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, 238013 + ... + 238688.

Almost surely, 2^161124938 is an apocalyptic number.

161124938 is a deficient number, since it is larger than the sum of its proper divisors (100584460).

161124938 is a wasteful number, since it uses less digits than its factorization.

161124938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476729 (or 476716 counting only the distinct ones).

The product of its digits is 10368, while the sum is 35.

The square root of 161124938 is about 12693.4998325915. The cubic root of 161124938 is about 544.1528662275.

The spelling of 161124938 in words is "one hundred sixty-one million, one hundred twenty-four thousand, nine hundred thirty-eight".