118078257 has 8 divisors (see below), whose sum is σ = 171750240. Its totient is φ = 71562560.

The previous prime is 118078253. The next prime is 118078267. The reversal of 118078257 is 752870811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 118078257 - 2² = 118078253 is a prime.

It is not an unprimeable number, because it can be changed into a prime (118078253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1789032 + ... + 1789097.

It is an arithmetic number, because the mean of its divisors is an integer number (21468780).

Almost surely, 2^118078257 is an apocalyptic number.

It is an amenable number.

118078257 is a deficient number, since it is larger than the sum of its proper divisors (53671983).

118078257 is a wasteful number, since it uses less digits than its factorization.

118078257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3578143.

The product of its (nonzero) digits is 31360, while the sum is 39.

The square root of 118078257 is about 10866.3819645731. The cubic root of 118078257 is about 490.5952186448.

The spelling of 118078257 in words is "one hundred eighteen million, seventy-eight thousand, two hundred fifty-seven".