374394121 has 2 divisors, whose sum is σ = 374394122. Its totient is φ = 374394120.

The previous prime is 374394113. The next prime is 374394143. The reversal of 374394121 is 121493473.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 367297225 + 7096896 = 19165^2 + 2664^2 .

It is an emirp because it is prime and its reverse (121493473) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 374394121 - 2³ = 374394113 is a prime.

It is not a weakly prime, because it can be changed into another prime (374395121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187197060 + 187197061.

It is an arithmetic number, because the mean of its divisors is an integer number (187197061).

Almost surely, 2^374394121 is an apocalyptic number.

It is an amenable number.

374394121 is a deficient number, since it is larger than the sum of its proper divisors (1).

374394121 is an equidigital number, since it uses as much as digits as its factorization.

374394121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 34.

The square root of 374394121 is about 19349.2666786108. The cubic root of 374394121 is about 720.7362074832.

The spelling of 374394121 in words is "three hundred seventy-four million, three hundred ninety-four thousand, one hundred twenty-one".