115021630 has 48 divisors (see below), whose sum is σ = 223004880. Its totient is φ = 42591744.

The previous prime is 115021561. The next prime is 115021651. The reversal of 115021630 is 36120511.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 115021598 and 115021607.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1185742 + ... + 1185838.

It is an arithmetic number, because the mean of its divisors is an integer number (4645935).

Almost surely, 2^115021630 is an apocalyptic number.

115021630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115021630 is a deficient number, since it is larger than the sum of its proper divisors (107983250).

115021630 is an equidigital number, since it uses as much as digits as its factorization.

115021630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281 (or 202 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 115021630 is about 10724.8137512966. The cubic root of 115021630 is about 486.3248997435.

The spelling of 115021630 in words is "one hundred fifteen million, twenty-one thousand, six hundred thirty".