120823901 has 4 divisors (see below), whose sum is σ = 131807904. Its totient is φ = 109839900.

The previous prime is 120823891. The next prime is 120823909. The reversal of 120823901 is 109328021.

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 not a de Polignac number, because 120823901 - 2¹⁴ = 120807517 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 (120823909) 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, 5491985 + ... + 5492006.

It is an arithmetic number, because the mean of its divisors is an integer number (32951976).

Almost surely, 2^120823901 is an apocalyptic number.

120823901 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120823901 is a deficient number, since it is larger than the sum of its proper divisors (10984003).

120823901 is a wasteful number, since it uses less digits than its factorization.

120823901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10984002.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 120823901 is about 10991.9925855142. The cubic root of 120823901 is about 494.3686826346.

The spelling of 120823901 in words is "one hundred twenty million, eight hundred twenty-three thousand, nine hundred one".