104561312 has 24 divisors (see below), whose sum is σ = 214806816. Its totient is φ = 50007232.

The previous prime is 104561299. The next prime is 104561321. The reversal of 104561312 is 213165401.

It is a super-2 number, since 2×104561312² = 21866135934322688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70298 + ... + 71769.

It is an arithmetic number, because the mean of its divisors is an integer number (8950284).

Almost surely, 2^104561312 is an apocalyptic number.

It is an amenable number.

104561312 is an abundant number, since it is smaller than the sum of its proper divisors (110245504).

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

104561312 is a wasteful number, since it uses less digits than its factorization.

104561312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142100 (or 142092 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 104561312 is about 10225.5225783331. The cubic root of 104561312 is about 471.1114663842. Note that the first 3 decimals are identical.

The spelling of 104561312 in words is "one hundred four million, five hundred sixty-one thousand, three hundred twelve".