1120142040 has 32 divisors (see below), whose sum is σ = 3360426480. Its totient is φ = 298704512.

The previous prime is 1120142011. The next prime is 1120142041. The reversal of 1120142040 is 402410211.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120142041) 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, 4667139 + ... + 4667378.

Almost surely, 2^1120142040 is an apocalyptic number.

1120142040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1120142040 is an abundant number, since it is smaller than the sum of its proper divisors (2240284440).

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

1120142040 is a wasteful number, since it uses less digits than its factorization.

1120142040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9334531 (or 9334527 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1120142040 is about 33468.5231224803. The cubic root of 1120142040 is about 1038.5427198158.

Adding to 1120142040 its reverse (402410211), we get a palindrome (1522552251).

The spelling of 1120142040 in words is "one billion, one hundred twenty million, one hundred forty-two thousand, forty".