120102201 has 6 divisors (see below), whose sum is σ = 173480970. Its totient is φ = 80068128.

The previous prime is 120102181. The next prime is 120102209. The reversal of 120102201 is 102201021.

It can be written as a sum of positive squares in only one way, i.e., 116122176 + 3980025 = 10776^2 + 1995^2 .

It is not a de Polignac number, because 120102201 - 2¹¹ = 120100153 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 13344689 = 120102201 / (1 + 2 + 0 + 1 + 0 + 2 + 2 + 0 + 1).

It is not an unprimeable number, because it can be changed into a prime (120102209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6672336 + ... + 6672353.

It is an arithmetic number, because the mean of its divisors is an integer number (28913495).

Almost surely, 2^120102201 is an apocalyptic number.

It is an amenable number.

120102201 is a deficient number, since it is larger than the sum of its proper divisors (53378769).

120102201 is a wasteful number, since it uses less digits than its factorization.

120102201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13344695 (or 13344692 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 120102201 is about 10959.1149733909. The cubic root of 120102201 is about 493.3824025435.

Adding to 120102201 its reverse (102201021), we get a palindrome (222303222).

The spelling of 120102201 in words is "one hundred twenty million, one hundred two thousand, two hundred one".