118271153 has 24 divisors (see below), whose sum is σ = 161642880. Its totient is φ = 85065120.

The previous prime is 118271149. The next prime is 118271173. The reversal of 118271153 is 351172811.

It is not a de Polignac number, because 118271153 - 2² = 118271149 is a prime.

It is not an unprimeable number, because it can be changed into a prime (118271173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1433 + ... + 15446.

It is an arithmetic number, because the mean of its divisors is an integer number (6735120).

Almost surely, 2^118271153 is an apocalyptic number.

118271153 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

118271153 is a deficient number, since it is larger than the sum of its proper divisors (43371727).

118271153 is a wasteful number, since it uses less digits than its factorization.

118271153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16917 (or 16910 counting only the distinct ones).

The product of its digits is 1680, while the sum is 29.

The square root of 118271153 is about 10875.2541579496. The cubic root of 118271153 is about 490.8622234042.

The spelling of 118271153 in words is "one hundred eighteen million, two hundred seventy-one thousand, one hundred fifty-three".