118923101 has 4 divisors (see below), whose sum is σ = 129734304. Its totient is φ = 108111900.

The previous prime is 118923097. The next prime is 118923131. The reversal of 118923101 is 101329811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 118923101 - 2² = 118923097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118923131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5405585 + ... + 5405606.

It is an arithmetic number, because the mean of its divisors is an integer number (32433576).

Almost surely, 2^118923101 is an apocalyptic number.

118923101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

118923101 is a deficient number, since it is larger than the sum of its proper divisors (10811203).

118923101 is a wasteful number, since it uses less digits than its factorization.

118923101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10811202.

The product of its (nonzero) digits is 432, while the sum is 26.

The square root of 118923101 is about 10905.1868851478. The cubic root of 118923101 is about 491.7625004931.

The spelling of 118923101 in words is "one hundred eighteen million, nine hundred twenty-three thousand, one hundred one".