120031140 has 24 divisors (see below), whose sum is σ = 336087360. Its totient is φ = 32008288.

The previous prime is 120031133. The next prime is 120031147. The reversal of 120031140 is 41130021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (120031133) and next prime (120031147).

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

It is not an unprimeable number, because it can be changed into a prime (120031147) 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, 1000200 + ... + 1000319.

It is an arithmetic number, because the mean of its divisors is an integer number (14003640).

Almost surely, 2^120031140 is an apocalyptic number.

120031140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120031140 is an abundant number, since it is smaller than the sum of its proper divisors (216056220).

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

120031140 is a wasteful number, since it uses less digits than its factorization.

120031140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000531 (or 2000529 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 120031140 is about 10955.8723979426. The cubic root of 120031140 is about 493.2850766449.

Adding to 120031140 its reverse (41130021), we get a palindrome (161161161).

The spelling of 120031140 in words is "one hundred twenty million, thirty-one thousand, one hundred forty".