118540983 has 32 divisors (see below), whose sum is σ = 184073472. Its totient is φ = 67059200.

The previous prime is 118540927. The next prime is 118540997. The reversal of 118540983 is 389045811.

It is a cyclic number.

It is not a de Polignac number, because 118540983 - 2⁸ = 118540727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118540783) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72685 + ... + 74297.

It is an arithmetic number, because the mean of its divisors is an integer number (5752296).

Almost surely, 2^118540983 is an apocalyptic number.

118540983 is a deficient number, since it is larger than the sum of its proper divisors (65532489).

118540983 is a wasteful number, since it uses less digits than its factorization.

118540983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1775.

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 118540983 is about 10887.6527773437. The cubic root of 118540983 is about 491.2352328046.

The spelling of 118540983 in words is "one hundred eighteen million, five hundred forty thousand, nine hundred eighty-three".