112738643 has 4 divisors (see below), whose sum is σ = 115488408. Its totient is φ = 109988880.

The previous prime is 112738621. The next prime is 112738649. The reversal of 112738643 is 346837211.

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 112738643 - 2¹² = 112734547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112738649) 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, 1374821 + ... + 1374902.

It is an arithmetic number, because the mean of its divisors is an integer number (28872102).

Almost surely, 2^112738643 is an apocalyptic number.

112738643 is a deficient number, since it is larger than the sum of its proper divisors (2749765).

112738643 is an equidigital number, since it uses as much as digits as its factorization.

112738643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2749764.

The product of its digits is 24192, while the sum is 35.

The square root of 112738643 is about 10617.8454970865. The cubic root of 112738643 is about 483.0857953490.

The spelling of 112738643 in words is "one hundred twelve million, seven hundred thirty-eight thousand, six hundred forty-three".