112617557 has 4 divisors (see below), whose sum is σ = 121280460. Its totient is φ = 103954656.

The previous prime is 112617523. The next prime is 112617587. The reversal of 112617557 is 755716211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 755716211 = 8293 ⋅91127.

It can be written as a sum of positive squares in 2 ways, for example, as 14032516 + 98585041 = 3746^2 + 9929^2 .

It is not a de Polignac number, because 112617557 - 2¹² = 112613461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112617587) 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, 4331432 + ... + 4331457.

It is an arithmetic number, because the mean of its divisors is an integer number (30320115).

Almost surely, 2^112617557 is an apocalyptic number.

It is an amenable number.

112617557 is a deficient number, since it is larger than the sum of its proper divisors (8662903).

112617557 is an equidigital number, since it uses as much as digits as its factorization.

112617557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8662902.

The product of its digits is 14700, while the sum is 35.

The square root of 112617557 is about 10612.1419609804. The cubic root of 112617557 is about 482.9127819688.

The spelling of 112617557 in words is "one hundred twelve million, six hundred seventeen thousand, five hundred fifty-seven".