1120031040 has 112 divisors (see below), whose sum is σ = 3678814080. Its totient is φ = 288368640.

The previous prime is 1120031039. The next prime is 1120031041. The reversal of 1120031040 is 401300211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1120031039) and next prime (1120031041).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120031041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7725 + ... + 47955.

Almost surely, 2^1120031040 is an apocalyptic number.

1120031040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1120031040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1839407040).

1120031040 is an abundant number, since it is smaller than the sum of its proper divisors (2558783040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1120031040 is a wasteful number, since it uses less digits than its factorization.

1120031040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40280 (or 40270 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1120031040 is about 33466.8648068504. The cubic root of 1120031040 is about 1038.5084140326.

Adding to 1120031040 its reverse (401300211), we get a palindrome (1521331251).

The spelling of 1120031040 in words is "one billion, one hundred twenty million, thirty-one thousand, forty".