112611261 has 24 divisors (see below), whose sum is σ = 176891520. Its totient is φ = 63528192.

The previous prime is 112611241. The next prime is 112611269. The reversal of 112611261 is 162116211.

It is not a de Polignac number, because 112611261 - 2¹⁰ = 112610237 is a prime.

It is a super-2 number, since 2×112611261² = 25362592208020242, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112611269) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6765 + ... + 16461.

It is an arithmetic number, because the mean of its divisors is an integer number (7370480).

Almost surely, 2^112611261 is an apocalyptic number.

It is an amenable number.

112611261 is a deficient number, since it is larger than the sum of its proper divisors (64280259).

112611261 is an equidigital number, since it uses as much as digits as its factorization.

112611261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9793 (or 9786 counting only the distinct ones).

The product of its digits is 144, while the sum is 21.

The square root of 112611261 is about 10611.8453154953. The cubic root of 112611261 is about 482.9037825563.

Adding to 112611261 its reverse (162116211), we get a palindrome (274727472).

The spelling of 112611261 in words is "one hundred twelve million, six hundred eleven thousand, two hundred sixty-one".