120173240 has 64 divisors (see below), whose sum is σ = 297704160. Its totient is φ = 43294720.

The previous prime is 120173237. The next prime is 120173281. The reversal of 120173240 is 42371021.

It is a super-2 number, since 2×120173240² = 28883215224195200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48512 + ... + 50928.

Almost surely, 2^120173240 is an apocalyptic number.

120173240 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 120173240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148852080).

120173240 is an abundant number, since it is smaller than the sum of its proper divisors (177530920).

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

120173240 is a wasteful number, since it uses less digits than its factorization.

120173240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2552 (or 2548 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 120173240 is about 10962.3555862780. The cubic root of 120173240 is about 493.4796599461.

The spelling of 120173240 in words is "one hundred twenty million, one hundred seventy-three thousand, two hundred forty".