118787945 has 16 divisors (see below), whose sum is σ = 148893120. Its totient is φ = 90886464.

The previous prime is 118787917. The next prime is 118787951. The reversal of 118787945 is 549787811.

It is a cyclic number.

It is not a de Polignac number, because 118787945 - 2⁶ = 118787881 is a prime.

It is a super-2 number, since 2×118787945² = 28221151754646050, which contains 22 as substring.

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 118787893 and 118787902.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5474 + ... + 16356.

It is an arithmetic number, because the mean of its divisors is an integer number (9305820).

Almost surely, 2^118787945 is an apocalyptic number.

It is an amenable number.

118787945 is a deficient number, since it is larger than the sum of its proper divisors (30105175).

118787945 is a wasteful number, since it uses less digits than its factorization.

118787945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10984.

The product of its digits is 564480, while the sum is 50.

The square root of 118787945 is about 10898.9882557970. The cubic root of 118787945 is about 491.5761339900.

The spelling of 118787945 in words is "one hundred eighteen million, seven hundred eighty-seven thousand, nine hundred forty-five".