113219861 has 8 divisors (see below), whose sum is σ = 115162944. Its totient is φ = 111287520.

The previous prime is 113219849. The next prime is 113219891. The reversal of 113219861 is 168912311.

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

It is a cyclic number.

It is not a de Polignac number, because 113219861 - 2²⁶ = 46110997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113219891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20210 + ... + 25196.

It is an arithmetic number, because the mean of its divisors is an integer number (14395368).

Almost surely, 2^113219861 is an apocalyptic number.

It is an amenable number.

113219861 is a deficient number, since it is larger than the sum of its proper divisors (1943083).

113219861 is an equidigital number, since it uses as much as digits as its factorization.

113219861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5371.

The product of its digits is 2592, while the sum is 32.

The square root of 113219861 is about 10640.4821789240. The cubic root of 113219861 is about 483.7721604246.

The spelling of 113219861 in words is "one hundred thirteen million, two hundred nineteen thousand, eight hundred sixty-one".