276121125 has 72 divisors (see below), whose sum is σ = 579135960. Its totient is φ = 126201600.

The previous prime is 276121067. The next prime is 276121159. The reversal of 276121125 is 521121672.

276121125 is a `hidden beast` number, since 27 + 612 + 1 + 1 + 25 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 13972644 + 262148481 = 3738^2 + 16191^2 .

It is not a de Polignac number, because 276121125 - 2¹² = 276117029 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 52621 + ... + 57629.

It is an arithmetic number, because the mean of its divisors is an integer number (8043555).

Almost surely, 2^276121125 is an apocalyptic number.

276121125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

276121125 is an abundant number, since it is smaller than the sum of its proper divisors (303014835).

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

276121125 is a wasteful number, since it uses less digits than its factorization.

276121125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5044 (or 5024 counting only the distinct ones).

The product of its digits is 1680, while the sum is 27.

The square root of 276121125 is about 16616.8927600800. The cubic root of 276121125 is about 651.1782377028.

Adding to 276121125 its reverse (521121672), we get a palindrome (797242797).

The spelling of 276121125 in words is "two hundred seventy-six million, one hundred twenty-one thousand, one hundred twenty-five".