118077081 has 4 divisors (see below), whose sum is σ = 157436112. Its totient is φ = 78718052.

The previous prime is 118077079. The next prime is 118077083. The reversal of 118077081 is 180770811.

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 an interprime number because it is at equal distance from previous prime (118077079) and next prime (118077083).

It is a cyclic number.

It is not a de Polignac number, because 118077081 - 2¹ = 118077079 is a prime.

It is a super-2 number, since 2×118077081² = 27884394114961122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (118077083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19679511 + ... + 19679516.

It is an arithmetic number, because the mean of its divisors is an integer number (39359028).

Almost surely, 2^118077081 is an apocalyptic number.

It is an amenable number.

118077081 is a deficient number, since it is larger than the sum of its proper divisors (39359031).

118077081 is an equidigital number, since it uses as much as digits as its factorization.

118077081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39359030.

The product of its (nonzero) digits is 3136, while the sum is 33.

The square root of 118077081 is about 10866.3278525912. The cubic root of 118077081 is about 490.5935899456.

The spelling of 118077081 in words is "one hundred eighteen million, seventy-seven thousand, eighty-one".