113021449 has 4 divisors (see below), whose sum is σ = 113303700. Its totient is φ = 112739200.

The previous prime is 113021431. The next prime is 113021459. The reversal of 113021449 is 944120311.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 105945849 + 7075600 = 10293^2 + 2660^2 .

It is a cyclic number.

It is not a de Polignac number, because 113021449 - 2⁹ = 113020937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113021459) 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, 140524 + ... + 141325.

It is an arithmetic number, because the mean of its divisors is an integer number (28325925).

Almost surely, 2^113021449 is an apocalyptic number.

It is an amenable number.

113021449 is a deficient number, since it is larger than the sum of its proper divisors (282251).

113021449 is an equidigital number, since it uses as much as digits as its factorization.

113021449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282250.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 113021449 is about 10631.1546409597. The cubic root of 113021449 is about 483.4893998853.

The spelling of 113021449 in words is "one hundred thirteen million, twenty-one thousand, four hundred forty-nine".