120009240 has 96 divisors (see below), whose sum is σ = 420048720. Its totient is φ = 29539584.

The previous prime is 120009229. The next prime is 120009251. The reversal of 120009240 is 42900021.

It is an interprime number because it is at equal distance from previous prime (120009229) and next prime (120009251).

It is a Harshad number since it is a multiple of its sum of digits (18).

120009240 is a modest number, since divided by 9240 gives 120 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8142 + ... + 17501.

Almost surely, 2^120009240 is an apocalyptic number.

120009240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120009240 is an abundant number, since it is smaller than the sum of its proper divisors (300039480).

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

120009240 is a wasteful number, since it uses less digits than its factorization.

120009240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25673 (or 25666 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 120009240 is about 10954.8728883543. The cubic root of 120009240 is about 493.2550744298.

Adding to 120009240 its reverse (42900021), we get a palindrome (162909261).

The spelling of 120009240 in words is "one hundred twenty million, nine thousand, two hundred forty".