118422747 has 24 divisors (see below), whose sum is σ = 177481200. Its totient is φ = 75999168.

The previous prime is 118422743. The next prime is 118422749. The reversal of 118422747 is 747224811.

It is not a de Polignac number, because 118422747 - 2² = 118422743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (118422743) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 161193 + ... + 161925.

It is an arithmetic number, because the mean of its divisors is an integer number (7395050).

Almost surely, 2^118422747 is an apocalyptic number.

118422747 is a deficient number, since it is larger than the sum of its proper divisors (59058453).

118422747 is a wasteful number, since it uses less digits than its factorization.

118422747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387 (or 1384 counting only the distinct ones).

The product of its digits is 25088, while the sum is 36.

The square root of 118422747 is about 10882.2216022281. The cubic root of 118422747 is about 491.0718546801.

The spelling of 118422747 in words is "one hundred eighteen million, four hundred twenty-two thousand, seven hundred forty-seven".