112738121 has 4 divisors (see below), whose sum is σ = 112800000. Its totient is φ = 112676244.

The previous prime is 112738099. The next prime is 112738123. The reversal of 112738121 is 121837211.

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, and also an emirpimes, since its reverse is a distinct semiprime: 121837211 = 197 ⋅618463.

It is a cyclic number.

It is not a de Polignac number, because 112738121 - 2¹⁸ = 112475977 is a prime.

It is a super-2 number, since 2×112738121² = 25419767853221282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112738123) 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, 28121 + ... + 31878.

It is an arithmetic number, because the mean of its divisors is an integer number (28200000).

Almost surely, 2^112738121 is an apocalyptic number.

It is an amenable number.

112738121 is a deficient number, since it is larger than the sum of its proper divisors (61879).

112738121 is an equidigital number, since it uses as much as digits as its factorization.

112738121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61878.

The product of its digits is 672, while the sum is 26.

The square root of 112738121 is about 10617.8209158000. The cubic root of 112738121 is about 483.0850497567.

The spelling of 112738121 in words is "one hundred twelve million, seven hundred thirty-eight thousand, one hundred twenty-one".