274395121 has 16 divisors (see below), whose sum is σ = 368419968. Its totient is φ = 197366400.

The previous prime is 274395119. The next prime is 274395133. The reversal of 274395121 is 121593472.

It is a happy number.

It is not a de Polignac number, because 274395121 - 2¹ = 274395119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (274395421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136060 + ... + 138061.

It is an arithmetic number, because the mean of its divisors is an integer number (23026248).

Almost surely, 2^274395121 is an apocalyptic number.

It is an amenable number.

274395121 is a deficient number, since it is larger than the sum of its proper divisors (94024847).

274395121 is a wasteful number, since it uses less digits than its factorization.

274395121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274152.

The product of its digits is 15120, while the sum is 34.

The square root of 274395121 is about 16564.8761238954. The cubic root of 274395121 is about 649.8185852694.

The spelling of 274395121 in words is "two hundred seventy-four million, three hundred ninety-five thousand, one hundred twenty-one".