120975 has 12 divisors (see below), whose sum is σ = 200136. Its totient is φ = 64480.

The previous prime is 120947. The next prime is 120977. The reversal of 120975 is 579021.

It is not a de Polignac number, because 120975 - 2⁵ = 120943 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors.

120975 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120977) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 732 + ... + 881.

It is an arithmetic number, because the mean of its divisors is an integer number (16678).

2¹²⁰⁹⁷⁵ is an apocalyptic number.

120975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

120975 is a deficient number, since it is larger than the sum of its proper divisors (79161).

120975 is a wasteful number, since it uses less digits than its factorization.

120975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626 (or 1621 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 24.

The square root of 120975 is about 347.8146057888. The cubic root of 120975 is about 49.4574678015.

Adding to 120975 its reverse (579021), we get a palindrome (699996).

The spelling of 120975 in words is "one hundred twenty thousand, nine hundred seventy-five".