118831801 has 9 divisors (see below), whose sum is σ = 130748709. Its totient is φ = 107919900.

The previous prime is 118831799. The next prime is 118831829. The reversal of 118831801 is 108138811.

The square root of 118831801 is 10901.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 118831801 - 2¹ = 118831799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118831861) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 119416 + ... + 120406.

Almost surely, 2^118831801 is an apocalyptic number.

118831801 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

118831801 is the 10901-st square number.

118831801 is the 5451-st centered octagonal number.

It is an amenable number.

118831801 is a deficient number, since it is larger than the sum of its proper divisors (11916908).

118831801 is an frugal number, since it uses more digits than its factorization.

118831801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2004 (or 1002 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 31.

The cubic root of 118831801 is about 491.6366224803.

The spelling of 118831801 in words is "one hundred eighteen million, eight hundred thirty-one thousand, eight hundred one".