1044420113 has 4 divisors (see below), whose sum is σ = 1139367408. Its totient is φ = 949472820.

The previous prime is 1044420107. The next prime is 1044420131. The reversal of 1044420113 is 3110244401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1044420113 is a prime.

It is a super-4 number, since 4×1044420113⁴ (a number of 37 digits) contains 4444 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1044420613) 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, 47473631 + ... + 47473652.

It is an arithmetic number, because the mean of its divisors is an integer number (284841852).

Almost surely, 2^1044420113 is an apocalyptic number.

It is an amenable number.

1044420113 is a deficient number, since it is larger than the sum of its proper divisors (94947295).

1044420113 is an equidigital number, since it uses as much as digits as its factorization.

1044420113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94947294.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1044420113 is about 32317.4892743852. The cubic root of 1044420113 is about 1014.5927209993.

Adding to 1044420113 its reverse (3110244401), we get a palindrome (4154664514).

The spelling of 1044420113 in words is "one billion, forty-four million, four hundred twenty thousand, one hundred thirteen".