120143040 has 56 divisors (see below), whose sum is σ = 381457200. Its totient is φ = 32037888.

The previous prime is 120143017. The next prime is 120143041. The reversal of 120143040 is 40341021.

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

It is not an unprimeable number, because it can be changed into a prime (120143041) 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, 61615 + ... + 63534.

Almost surely, 2^120143040 is an apocalyptic number.

120143040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120143040 is an abundant number, since it is smaller than the sum of its proper divisors (261314160).

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

120143040 is a wasteful number, since it uses less digits than its factorization.

120143040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125169 (or 125159 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 120143040 is about 10960.9780585493. The cubic root of 120143040 is about 493.4383187004.

Adding to 120143040 its reverse (40341021), we get a palindrome (160484061).

The spelling of 120143040 in words is "one hundred twenty million, one hundred forty-three thousand, forty".