1120440031 has 8 divisors (see below), whose sum is σ = 1170228240. Its totient is φ = 1071678528.

The previous prime is 1120440017. The next prime is 1120440043. The reversal of 1120440031 is 1300440211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1120440031 - 2¹³ = 1120431839 is a prime.

It is a super-2 number, since 2×1120440031² = 2510771726134561922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1120439987 and 1120440014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120440001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254446 + ... + 258811.

It is an arithmetic number, because the mean of its divisors is an integer number (146278530).

Almost surely, 2^1120440031 is an apocalyptic number.

1120440031 is a deficient number, since it is larger than the sum of its proper divisors (49788209).

1120440031 is an equidigital number, since it uses as much as digits as its factorization.

1120440031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513353.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1120440031 is about 33472.9746362644. The cubic root of 1120440031 is about 1038.6348060374.

Adding to 1120440031 its reverse (1300440211), we get a palindrome (2420880242).

The spelling of 1120440031 in words is "one billion, one hundred twenty million, four hundred forty thousand, thirty-one".