276121104 has 80 divisors (see below), whose sum is σ = 819947520. Its totient is φ = 78433920.

The previous prime is 276121067. The next prime is 276121159. The reversal of 276121104 is 401121672.

276121104 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57849 + ... + 62439.

It is an arithmetic number, because the mean of its divisors is an integer number (10249344).

Almost surely, 2^276121104 is an apocalyptic number.

276121104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 276121104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (409973760).

276121104 is an abundant number, since it is smaller than the sum of its proper divisors (543826416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

276121104 is a wasteful number, since it uses less digits than its factorization.

276121104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4788 (or 4782 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 276121104 is about 16616.8921281929. The cubic root of 276121104 is about 651.1782211947.

Adding to 276121104 its reverse (401121672), we get a palindrome (677242776).

The spelling of 276121104 in words is "two hundred seventy-six million, one hundred twenty-one thousand, one hundred four".