118281532 has 12 divisors (see below), whose sum is σ = 210082600. Its totient is φ = 58257936.

The previous prime is 118281521. The next prime is 118281533. The reversal of 118281532 is 235182811.

It is a junction number, because it is equal to n+sod(n) for n = 118281494 and 118281503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118281533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220407 + ... + 220942.

Almost surely, 2^118281532 is an apocalyptic number.

It is an amenable number.

118281532 is a deficient number, since it is larger than the sum of its proper divisors (91801068).

118281532 is a wasteful number, since it uses less digits than its factorization.

118281532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441420 (or 441418 counting only the distinct ones).

The product of its digits is 3840, while the sum is 31.

The square root of 118281532 is about 10875.7313317312. The cubic root of 118281532 is about 490.8765816814.

The spelling of 118281532 in words is "one hundred eighteen million, two hundred eighty-one thousand, five hundred thirty-two".