120953281 has 4 divisors (see below), whose sum is σ = 123766192. Its totient is φ = 118140372.

The previous prime is 120953263. The next prime is 120953299. The reversal of 120953281 is 182359021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (120953263) and next prime (120953299).

It is a cyclic number.

It is not a de Polignac number, because 120953281 - 2²⁵ = 87398849 is a prime.

It is a super-2 number, since 2×120953281² = 29259392369329922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120953201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1406391 + ... + 1406476.

It is an arithmetic number, because the mean of its divisors is an integer number (30941548).

Almost surely, 2^120953281 is an apocalyptic number.

It is an amenable number.

120953281 is a deficient number, since it is larger than the sum of its proper divisors (2812911).

120953281 is an equidigital number, since it uses as much as digits as its factorization.

120953281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2812910.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 120953281 is about 10997.8762040678. The cubic root of 120953281 is about 494.5450787586.

It can be divided in two parts, 12095 and 3281, that added together give a square (15376 = 124²).

The spelling of 120953281 in words is "one hundred twenty million, nine hundred fifty-three thousand, two hundred eighty-one".