120040140 has 96 divisors (see below), whose sum is σ = 368686080. Its totient is φ = 28940800.

The previous prime is 120040127. The next prime is 120040163. The reversal of 120040140 is 41040021.

It is a super-2 number, since 2×120040140² = 28819270422439200, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 157360 + ... + 158120.

It is an arithmetic number, because the mean of its divisors is an integer number (3840480).

Almost surely, 2^120040140 is an apocalyptic number.

120040140 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 120040140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184343040).

120040140 is an abundant number, since it is smaller than the sum of its proper divisors (248645940).

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

120040140 is a wasteful number, since it uses less digits than its factorization.

120040140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023 (or 1021 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 120040140 is about 10956.2831288718. The cubic root of 120040140 is about 493.2974052644.

Adding to 120040140 its reverse (41040021), we get a palindrome (161080161).

The spelling of 120040140 in words is "one hundred twenty million, forty thousand, one hundred forty".