1120023040 has 40 divisors (see below), whose sum is σ = 2685436380. Its totient is φ = 448008192.

The previous prime is 1120023031. The next prime is 1120023043. The reversal of 1120023040 is 403200211.

It can be written as a sum of positive squares in 2 ways, for example, as 1119303936 + 719104 = 33456^2 + 848^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1120023040² = 2508903220261683200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1120023040.

It is not an unprimeable number, because it can be changed into a prime (1120023043) 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, 216195 + ... + 221314.

Almost surely, 2^1120023040 is an apocalyptic number.

1120023040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1120023040 is an abundant number, since it is smaller than the sum of its proper divisors (1565413340).

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

1120023040 is an frugal number, since it uses more digits than its factorization.

1120023040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437532 (or 437516 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1120023040 is about 33466.7452854322. The cubic root of 1120023040 is about 1038.5059414562.

Adding to 1120023040 its reverse (403200211), we get a palindrome (1523223251).

The spelling of 1120023040 in words is "one billion, one hundred twenty million, twenty-three thousand, forty".