115429860 has 384 divisors, whose sum is σ = 462873600. Its totient is φ = 23514624.

The previous prime is 115429859. The next prime is 115429861. The reversal of 115429860 is 68924511.

It is an interprime number because it is at equal distance from previous prime (115429859) and next prime (115429861).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (115429861) 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 127 ways as a sum of consecutive naturals, for example, 3980326 + ... + 3980354.

It is an arithmetic number, because the mean of its divisors is an integer number (1205400).

Almost surely, 2^115429860 is an apocalyptic number.

115429860 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 115429860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231436800).

115429860 is an abundant number, since it is smaller than the sum of its proper divisors (347443740).

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

115429860 is a wasteful number, since it uses less digits than its factorization.

115429860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79 (or 59 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 115429860 is about 10743.8289264117. The cubic root of 115429860 is about 486.8995684718.

The spelling of 115429860 in words is "one hundred fifteen million, four hundred twenty-nine thousand, eight hundred sixty".