120270869 has 4 divisors (see below), whose sum is σ = 127345644. Its totient is φ = 113196096.

The previous prime is 120270823. The next prime is 120270877. The reversal of 120270869 is 968072021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 106357969 + 13912900 = 10313^2 + 3730^2 .

It is a cyclic number.

It is not a de Polignac number, because 120270869 - 2²⁴ = 103493653 is a prime.

It is a super-2 number, since 2×120270869² = 28930163860030322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120270769) 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, 3537362 + ... + 3537395.

It is an arithmetic number, because the mean of its divisors is an integer number (31836411).

Almost surely, 2^120270869 is an apocalyptic number.

It is an amenable number.

120270869 is a deficient number, since it is larger than the sum of its proper divisors (7074775).

120270869 is an equidigital number, since it uses as much as digits as its factorization.

120270869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7074774.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 120270869 is about 10966.8076029444. The cubic root of 120270869 is about 493.6132584216.

The spelling of 120270869 in words is "one hundred twenty million, two hundred seventy thousand, eight hundred sixty-nine".