1120087440 has 100 divisors (see below), whose sum is σ = 3890252124. Its totient is φ = 298688256.

The previous prime is 1120087439. The next prime is 1120087459. The reversal of 1120087440 is 447800211.

1120087440 is a `hidden beast` number, since 11 + 200 + 8 + 7 + 440 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 188128656 + 931958784 = 13716^2 + 30528^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 79947 + ... + 92906.

Almost surely, 2^1120087440 is an apocalyptic number.

1120087440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1120087440 is an abundant number, since it is smaller than the sum of its proper divisors (2770164684).

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

1120087440 is a wasteful number, since it uses less digits than its factorization.

1120087440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172878 (or 172863 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 1120087440 is about 33467.7074207362. The cubic root of 1120087440 is about 1038.5258453624.

Adding to 1120087440 its reverse (447800211), we get a palindrome (1567887651).

The spelling of 1120087440 in words is "one billion, one hundred twenty million, eighty-seven thousand, four hundred forty".