112537721 has 8 divisors (see below), whose sum is σ = 115049760. Its totient is φ = 110045952.

The previous prime is 112537687. The next prime is 112537723. The reversal of 112537721 is 127735211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112537721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112537723) 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, 6446 + ... + 16328.

It is an arithmetic number, because the mean of its divisors is an integer number (14381220).

Almost surely, 2^112537721 is an apocalyptic number.

It is an amenable number.

112537721 is a deficient number, since it is larger than the sum of its proper divisors (2512039).

112537721 is an equidigital number, since it uses as much as digits as its factorization.

112537721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10135.

The product of its digits is 2940, while the sum is 29.

The square root of 112537721 is about 10608.3797537607. The cubic root of 112537721 is about 482.7986406812.

The spelling of 112537721 in words is "one hundred twelve million, five hundred thirty-seven thousand, seven hundred twenty-one".