1120420441 has 4 divisors (see below), whose sum is σ = 1280480512. Its totient is φ = 960360372.

The previous prime is 1120420439. The next prime is 1120420493. The reversal of 1120420441 is 1440240211.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1440240211 = 9463 ⋅152197.

It is a cyclic number.

It is not a de Polignac number, because 1120420441 - 2¹ = 1120420439 is a prime.

It is a super-2 number, since 2×1120420441² = 2510683929221268962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1120424441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80030025 + ... + 80030038.

It is an arithmetic number, because the mean of its divisors is an integer number (320120128).

Almost surely, 2^1120420441 is an apocalyptic number.

It is an amenable number.

1120420441 is a deficient number, since it is larger than the sum of its proper divisors (160060071).

1120420441 is an equidigital number, since it uses as much as digits as its factorization.

1120420441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160060070.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1120420441 is about 33472.6820108577. The cubic root of 1120420441 is about 1038.6287527685.

Adding to 1120420441 its reverse (1440240211), we get a palindrome (2560660652).

The spelling of 1120420441 in words is "one billion, one hundred twenty million, four hundred twenty thousand, four hundred forty-one".