112909389 has 4 divisors (see below), whose sum is σ = 150545856. Its totient is φ = 75272924.

The previous prime is 112909387. The next prime is 112909399. The reversal of 112909389 is 983909211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 112909389 - 2¹ = 112909387 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112909389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112909387) 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, 18818229 + ... + 18818234.

It is an arithmetic number, because the mean of its divisors is an integer number (37636464).

Almost surely, 2^112909389 is an apocalyptic number.

It is an amenable number.

112909389 is a deficient number, since it is larger than the sum of its proper divisors (37636467).

112909389 is an equidigital number, since it uses as much as digits as its factorization.

112909389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37636466.

The product of its (nonzero) digits is 34992, while the sum is 42.

The square root of 112909389 is about 10625.8829750755. The cubic root of 112909389 is about 483.3295548919.

The spelling of 112909389 in words is "one hundred twelve million, nine hundred nine thousand, three hundred eighty-nine".