115721862 has 8 divisors (see below), whose sum is σ = 231443736. Its totient is φ = 38573952.

The previous prime is 115721821. The next prime is 115721867. The reversal of 115721862 is 268127511.

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

115721862 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115721867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9643483 + ... + 9643494.

It is an arithmetic number, because the mean of its divisors is an integer number (28930467).

Almost surely, 2^115721862 is an apocalyptic number.

115721862 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

115721862 is a wasteful number, since it uses less digits than its factorization.

115721862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19286982.

The product of its digits is 6720, while the sum is 33.

The square root of 115721862 is about 10757.4096324348. The cubic root of 115721862 is about 487.3097914104.

The spelling of 115721862 in words is "one hundred fifteen million, seven hundred twenty-one thousand, eight hundred sixty-two".