118497090 has 16 divisors (see below), whose sum is σ = 284393088. Its totient is φ = 31599216.

The previous prime is 118497079. The next prime is 118497101. The reversal of 118497090 is 90794811.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (118497079) and next prime (118497101).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1974922 + ... + 1974981.

It is an arithmetic number, because the mean of its divisors is an integer number (17774568).

Almost surely, 2^118497090 is an apocalyptic number.

118497090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

118497090 is an abundant number, since it is smaller than the sum of its proper divisors (165895998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

118497090 is a wasteful number, since it uses less digits than its factorization.

118497090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3949913.

The product of its (nonzero) digits is 18144, while the sum is 39.

The square root of 118497090 is about 10885.6368669913. The cubic root of 118497090 is about 491.1745942829.

The spelling of 118497090 in words is "one hundred eighteen million, four hundred ninety-seven thousand, ninety".