120280901 has 4 divisors (see below), whose sum is σ = 129533292. Its totient is φ = 111028512.

The previous prime is 120280889. The next prime is 120280981. The reversal of 120280901 is 109082021.

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 52548001 + 67732900 = 7249^2 + 8230^2 .

It is a cyclic number.

It is not a de Polignac number, because 120280901 - 2¹⁴ = 120264517 is a prime.

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 (120280981) 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, 4626176 + ... + 4626201.

It is an arithmetic number, because the mean of its divisors is an integer number (32383323).

Almost surely, 2^120280901 is an apocalyptic number.

It is an amenable number.

120280901 is a deficient number, since it is larger than the sum of its proper divisors (9252391).

120280901 is an equidigital number, since it uses as much as digits as its factorization.

120280901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9252390.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 120280901 is about 10967.2649735474. The cubic root of 120280901 is about 493.6269824169.

The spelling of 120280901 in words is "one hundred twenty million, two hundred eighty thousand, nine hundred one".