279048121 has 32 divisors (see below), whose sum is σ = 333745920. Its totient is φ = 230630400.

The previous prime is 279048101. The next prime is 279048131. The reversal of 279048121 is 121840972.

It is not a de Polignac number, because 279048121 - 2⁵ = 279048089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (279048101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 535341 + ... + 535861.

It is an arithmetic number, because the mean of its divisors is an integer number (10429560).

Almost surely, 2^279048121 is an apocalyptic number.

It is an amenable number.

279048121 is a deficient number, since it is larger than the sum of its proper divisors (54697799).

279048121 is a wasteful number, since it uses less digits than its factorization.

279048121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 279048121 is about 16704.7334908403. The cubic root of 279048121 is about 653.4710729014.

The spelling of 279048121 in words is "two hundred seventy-nine million, forty-eight thousand, one hundred twenty-one".