369206121 has 4 divisors (see below), whose sum is σ = 492274832. Its totient is φ = 246137412.

The previous prime is 369206111. The next prime is 369206147. The reversal of 369206121 is 121602963.

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 not a de Polignac number, because 369206121 - 2¹⁵ = 369173353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (369206111) 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, 61534351 + ... + 61534356.

It is an arithmetic number, because the mean of its divisors is an integer number (123068708).

Almost surely, 2^369206121 is an apocalyptic number.

It is an amenable number.

369206121 is a deficient number, since it is larger than the sum of its proper divisors (123068711).

369206121 is a wasteful number, since it uses less digits than its factorization.

369206121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123068710.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 369206121 is about 19214.7370786071. The cubic root of 369206121 is about 717.3916170508.

The spelling of 369206121 in words is "three hundred sixty-nine million, two hundred six thousand, one hundred twenty-one".