118722072 has 32 divisors (see below), whose sum is σ = 339206400. Its totient is φ = 33920544.

The previous prime is 118722059. The next prime is 118722077. The reversal of 118722072 is 270227811.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118722077) 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, 353172 + ... + 353507.

It is an arithmetic number, because the mean of its divisors is an integer number (10600200).

Almost surely, 2^118722072 is an apocalyptic number.

118722072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

118722072 is an abundant number, since it is smaller than the sum of its proper divisors (220484328).

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

118722072 is a wasteful number, since it uses less digits than its factorization.

118722072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706695 (or 706691 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 30.

The square root of 118722072 is about 10895.9658589773. The cubic root of 118722072 is about 491.4852505192.

Adding to 118722072 its reverse (270227811), we get a palindrome (388949883).

The spelling of 118722072 in words is "one hundred eighteen million, seven hundred twenty-two thousand, seventy-two".