118072143 has 30 divisors (see below), whose sum is σ = 200326984. Its totient is φ = 65646288.

The previous prime is 118072139. The next prime is 118072151. The reversal of 118072143 is 341270811.

It is not a de Polignac number, because 118072143 - 2² = 118072139 is a prime.

It is a super-2 number, since 2×118072143² = 27882061905224898, which 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 (118072103) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 3191121 + ... + 3191157.

Almost surely, 2^118072143 is an apocalyptic number.

118072143 is a deficient number, since it is larger than the sum of its proper divisors (82254841).

118072143 is an frugal number, since it uses more digits than its factorization.

118072143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 47 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 118072143 is about 10866.1006345423. The cubic root of 118072143 is about 490.5867509528.

The spelling of 118072143 in words is "one hundred eighteen million, seventy-two thousand, one hundred forty-three".