111274849 has 24 divisors (see below), whose sum is σ = 136587840. Its totient is φ = 88553088.

The previous prime is 111274819. The next prime is 111274853. The reversal of 111274849 is 948472111.

It is not a de Polignac number, because 111274849 - 2²⁵ = 77720417 is a prime.

It is a Duffinian number.

Its product of digits (16128) is a multiple of the sum of its prime divisors (256).

It is not an unprimeable number, because it can be changed into a prime (111274819) 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, 708679 + ... + 708835.

It is an arithmetic number, because the mean of its divisors is an integer number (5691160).

Almost surely, 2^111274849 is an apocalyptic number.

111274849 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

111274849 is a deficient number, since it is larger than the sum of its proper divisors (25312991).

111274849 is an equidigital number, since it uses as much as digits as its factorization.

111274849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329 (or 256 counting only the distinct ones).

The product of its digits is 16128, while the sum is 37.

The square root of 111274849 is about 10548.6894446656. The cubic root of 111274849 is about 480.9858917634.

The spelling of 111274849 in words is "one hundred eleven million, two hundred seventy-four thousand, eight hundred forty-nine".