120013249 has 4 divisors (see below), whose sum is σ = 120082564. Its totient is φ = 119943936.

The previous prime is 120013247. The next prime is 120013261. The reversal of 120013249 is 942310021.

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 28944400 + 91068849 = 5380^2 + 9543^2 .

It is a cyclic number.

It is not a de Polignac number, because 120013249 - 2¹ = 120013247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120013247) 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, 31992 + ... + 35545.

It is an arithmetic number, because the mean of its divisors is an integer number (30020641).

Almost surely, 2^120013249 is an apocalyptic number.

It is an amenable number.

120013249 is a deficient number, since it is larger than the sum of its proper divisors (69315).

120013249 is an equidigital number, since it uses as much as digits as its factorization.

120013249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69314.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 120013249 is about 10955.0558647594. The cubic root of 120013249 is about 493.2605668891.

The spelling of 120013249 in words is "one hundred twenty million, thirteen thousand, two hundred forty-nine".