111490749 has 10 divisors (see below), whose sum is σ = 166548030. Its totient is φ = 74327112.

The previous prime is 111490693. The next prime is 111490763. The reversal of 111490749 is 947094111.

It can be written as a sum of positive squares in only one way, i.e., 65318724 + 46172025 = 8082^2 + 6795^2 .

It is not a de Polignac number, because 111490749 - 2⁹ = 111490237 is a prime.

It is a super-2 number, since 2×111490749² = 24860374225162002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111490549) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 688134 + ... + 688295.

It is an arithmetic number, because the mean of its divisors is an integer number (16654803).

Almost surely, 2^111490749 is an apocalyptic number.

It is an amenable number.

111490749 is a deficient number, since it is larger than the sum of its proper divisors (55057281).

111490749 is an equidigital number, since it uses as much as digits as its factorization.

111490749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1376441 (or 1376432 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 111490749 is about 10558.9179843391. The cubic root of 111490749 is about 481.2967669399.

The spelling of 111490749 in words is "one hundred eleven million, four hundred ninety thousand, seven hundred forty-nine".