379875121 has 4 divisors (see below), whose sum is σ = 386102644. Its totient is φ = 373647600.

The previous prime is 379875109. The next prime is 379875131. The reversal of 379875121 is 121578973.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 121578973 = 1427 ⋅85199.

It can be written as a sum of positive squares in 2 ways, for example, as 24364096 + 355511025 = 4936^2 + 18855^2 .

It is a cyclic number.

It is not a de Polignac number, because 379875121 - 2¹⁷ = 379744049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (379875101) 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, 3113670 + ... + 3113791.

It is an arithmetic number, because the mean of its divisors is an integer number (96525661).

Almost surely, 2^379875121 is an apocalyptic number.

It is an amenable number.

379875121 is a deficient number, since it is larger than the sum of its proper divisors (6227523).

379875121 is an equidigital number, since it uses as much as digits as its factorization.

379875121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6227522.

The product of its digits is 105840, while the sum is 43.

The square root of 379875121 is about 19490.3853476528. The cubic root of 379875121 is about 724.2362919551.

The spelling of 379875121 in words is "three hundred seventy-nine million, eight hundred seventy-five thousand, one hundred twenty-one".