113781024 has 120 divisors (see below), whose sum is σ = 382491648. Its totient is φ = 32503680.

The previous prime is 113781011. The next prime is 113781037. The reversal of 113781024 is 420187311.

It is an interprime number because it is at equal distance from previous prime (113781011) and next prime (113781037).

It is a super-2 number, since 2×113781024² = 25892242844977152, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 15009 + ... + 21279.

Almost surely, 2^113781024 is an apocalyptic number.

113781024 is a gapful number since it is divisible by the number (14) 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 113781024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191245824).

113781024 is an abundant number, since it is smaller than the sum of its proper divisors (268710624).

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

113781024 is an equidigital number, since it uses as much as digits as its factorization.

113781024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6300 (or 6283 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 113781024 is about 10666.8188322480. The cubic root of 113781024 is about 484.5700997978.

The spelling of 113781024 in words is "one hundred thirteen million, seven hundred eighty-one thousand, twenty-four".