115417420 has 48 divisors (see below), whose sum is σ = 259943040. Its totient is φ = 42891264.

The previous prime is 115417417. The next prime is 115417439. The reversal of 115417420 is 24714511.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24712 + ... + 29008.

It is an arithmetic number, because the mean of its divisors is an integer number (5415480).

Almost surely, 2^115417420 is an apocalyptic number.

115417420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115417420 is the 5372-nd decagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115417420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129971520).

115417420 is an abundant number, since it is smaller than the sum of its proper divisors (144525620).

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

115417420 is a wasteful number, since it uses less digits than its factorization.

115417420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4402 (or 4400 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 115417420 is about 10743.2499738208. The cubic root of 115417420 is about 486.8820766136.

The spelling of 115417420 in words is "one hundred fifteen million, four hundred seventeen thousand, four hundred twenty".