112161259 has 4 divisors (see below), whose sum is σ = 128184304. Its totient is φ = 96138216.

The previous prime is 112161253. The next prime is 112161337. The reversal of 112161259 is 952161211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 952161211 = 17 ⋅56009483.

It is a cyclic number.

It is not a de Polignac number, because 112161259 - 2³ = 112161251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112161251) 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, 8011512 + ... + 8011525.

It is an arithmetic number, because the mean of its divisors is an integer number (32046076).

Almost surely, 2^112161259 is an apocalyptic number.

112161259 is a deficient number, since it is larger than the sum of its proper divisors (16023045).

112161259 is an equidigital number, since it uses as much as digits as its factorization.

112161259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16023044.

The product of its digits is 1080, while the sum is 28.

The square root of 112161259 is about 10590.6212754493. The cubic root of 112161259 is about 482.2596854239.

The spelling of 112161259 in words is "one hundred twelve million, one hundred sixty-one thousand, two hundred fifty-nine".