120340240 has 40 divisors (see below), whose sum is σ = 280303488. Its totient is φ = 48048000.

The previous prime is 120340219. The next prime is 120340277. The reversal of 120340240 is 42043021.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59079 + ... + 61081.

Almost surely, 2^120340240 is an apocalyptic number.

120340240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120340240 is an abundant number, since it is smaller than the sum of its proper divisors (159963248).

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

120340240 is a wasteful number, since it uses less digits than its factorization.

120340240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2767 (or 2761 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 120340240 is about 10969.9699179168. The cubic root of 120340240 is about 493.7081438641.

Adding to 120340240 its reverse (42043021), we get a palindrome (162383261).

The spelling of 120340240 in words is "one hundred twenty million, three hundred forty thousand, two hundred forty".