115722000 has 160 divisors (see below), whose sum is σ = 414735360. Its totient is φ = 30844800.

The previous prime is 115721999. The next prime is 115722001. The reversal of 115722000 is 227511.

It is an interprime number because it is at equal distance from previous prime (115721999) and next prime (115722001).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (115722001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52929 + ... + 55071.

It is an arithmetic number, because the mean of its divisors is an integer number (2592096).

Almost surely, 2^115722000 is an apocalyptic number.

115722000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115722000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207367680).

115722000 is an abundant number, since it is smaller than the sum of its proper divisors (299013360).

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

115722000 is a wasteful number, since it uses less digits than its factorization.

115722000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2175 (or 2153 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 115722000 is about 10757.4160466164. The cubic root of 115722000 is about 487.3099851183.

Adding to 115722000 its reverse (227511), we get a palindrome (115949511).

The spelling of 115722000 in words is "one hundred fifteen million, seven hundred twenty-two thousand".