274724121 has 16 divisors (see below), whose sum is σ = 436829184. Its totient is φ = 150159504.

The previous prime is 274724117. The next prime is 274724123. The reversal of 274724121 is 121427472.

It is not a de Polignac number, because 274724121 - 2² = 274724117 is a prime.

It is a super-4 number, since 4×274724121⁴ (a number of 35 digits) contains 4444 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (274724123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 283911 + ... + 284876.

It is an arithmetic number, because the mean of its divisors is an integer number (27301824).

Almost surely, 2^274724121 is an apocalyptic number.

274724121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

274724121 is a deficient number, since it is larger than the sum of its proper divisors (162105063).

274724121 is a wasteful number, since it uses less digits than its factorization.

274724121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568820.

The product of its digits is 6272, while the sum is 30.

The square root of 274724121 is about 16574.8037997438. The cubic root of 274724121 is about 650.0781925657.

The spelling of 274724121 in words is "two hundred seventy-four million, seven hundred twenty-four thousand, one hundred twenty-one".