120338261 has 4 divisors (see below), whose sum is σ = 120376224. Its totient is φ = 120300300.

The previous prime is 120338161. The next prime is 120338263. The reversal of 120338261 is 162833021.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120338261 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120338261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120338263) 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, 13745 + ... + 20726.

It is an arithmetic number, because the mean of its divisors is an integer number (30094056).

Almost surely, 2^120338261 is an apocalyptic number.

It is an amenable number.

120338261 is a deficient number, since it is larger than the sum of its proper divisors (37963).

120338261 is an equidigital number, since it uses as much as digits as its factorization.

120338261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37962.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 120338261 is about 10969.8797167517. The cubic root of 120338261 is about 493.7054374993.

The spelling of 120338261 in words is "one hundred twenty million, three hundred thirty-eight thousand, two hundred sixty-one".