113261089 has 4 divisors (see below), whose sum is σ = 119923524. Its totient is φ = 106598656.

The previous prime is 113261087. The next prime is 113261101. The reversal of 113261089 is 980162311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 980162311 = 25303 ⋅38737.

It can be written as a sum of positive squares in 2 ways, for example, as 35521600 + 77739489 = 5960^2 + 8817^2 .

It is a cyclic number.

It is not a de Polignac number, because 113261089 - 2¹ = 113261087 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113261089.

It is not an unprimeable number, because it can be changed into a prime (113261087) 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, 3331192 + ... + 3331225.

It is an arithmetic number, because the mean of its divisors is an integer number (29980881).

Almost surely, 2^113261089 is an apocalyptic number.

It is an amenable number.

113261089 is a deficient number, since it is larger than the sum of its proper divisors (6662435).

113261089 is an equidigital number, since it uses as much as digits as its factorization.

113261089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6662434.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 113261089 is about 10642.4193208123. The cubic root of 113261089 is about 483.8308737340.

The spelling of 113261089 in words is "one hundred thirteen million, two hundred sixty-one thousand, eighty-nine".