112561387 has 4 divisors (see below), whose sum is σ = 113654320. Its totient is φ = 111468456.

The previous prime is 112561349. The next prime is 112561391. The reversal of 112561387 is 783165211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 112561387 - 2¹¹ = 112559339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (112561327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 546312 + ... + 546517.

It is an arithmetic number, because the mean of its divisors is an integer number (28413580).

Almost surely, 2^112561387 is an apocalyptic number.

112561387 is a deficient number, since it is larger than the sum of its proper divisors (1092933).

112561387 is a wasteful number, since it uses less digits than its factorization.

112561387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092932.

The product of its digits is 10080, while the sum is 34.

The square root of 112561387 is about 10609.4951340768. The cubic root of 112561387 is about 482.8324815175.

The spelling of 112561387 in words is "one hundred twelve million, five hundred sixty-one thousand, three hundred eighty-seven".