112739961 has 8 divisors (see below), whose sum is σ = 150369280. Its totient is φ = 75135312.

The previous prime is 112739941. The next prime is 112739969. The reversal of 112739961 is 169937211.

It is a happy number.

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

It is not a de Polignac number, because 112739961 - 2⁷ = 112739833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112739969) 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, 13095 + ... + 19923.

It is an arithmetic number, because the mean of its divisors is an integer number (18796160).

Almost surely, 2^112739961 is an apocalyptic number.

It is an amenable number.

112739961 is a deficient number, since it is larger than the sum of its proper divisors (37629319).

112739961 is an equidigital number, since it uses as much as digits as its factorization.

112739961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12335.

The product of its digits is 20412, while the sum is 39.

The square root of 112739961 is about 10617.9075622271. The cubic root of 112739961 is about 483.0876778878.

The spelling of 112739961 in words is "one hundred twelve million, seven hundred thirty-nine thousand, nine hundred sixty-one".