161124712 has 32 divisors (see below), whose sum is σ = 363441600. Its totient is φ = 65418624.

The previous prime is 161124679. The next prime is 161124713. The reversal of 161124712 is 217421161.

It is a super-2 number, since 2×161124712² = 51922345634165888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (161124713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74653 + ... + 76780.

It is an arithmetic number, because the mean of its divisors is an integer number (11357550).

Almost surely, 2^161124712 is an apocalyptic number.

It is an amenable number.

161124712 is an abundant number, since it is smaller than the sum of its proper divisors (202316888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161124712 is a wasteful number, since it uses less digits than its factorization.

161124712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151465 (or 151461 counting only the distinct ones).

The product of its digits is 672, while the sum is 25.

The square root of 161124712 is about 12693.4909303942. The cubic root of 161124712 is about 544.1526118109.

Adding to 161124712 its reverse (217421161), we get a palindrome (378545873).

The spelling of 161124712 in words is "one hundred sixty-one million, one hundred twenty-four thousand, seven hundred twelve".