120123270 has 32 divisors (see below), whose sum is σ = 320329440. Its totient is φ = 32032800.

The previous prime is 120123259. The next prime is 120123271. The reversal of 120123270 is 72321021.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120123271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222181 + ... + 222720.

It is an arithmetic number, because the mean of its divisors is an integer number (10010295).

Almost surely, 2^120123270 is an apocalyptic number.

120123270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120123270 is an abundant number, since it is smaller than the sum of its proper divisors (200206170).

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

120123270 is a wasteful number, since it uses less digits than its factorization.

120123270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444917 (or 444911 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 120123270 is about 10960.0761858666. The cubic root of 120123270 is about 493.4112514904.

Adding to 120123270 its reverse (72321021), we get a palindrome (192444291).

The spelling of 120123270 in words is "one hundred twenty million, one hundred twenty-three thousand, two hundred seventy".