1276525255 has 4 divisors (see below), whose sum is σ = 1531830312. Its totient is φ = 1021220200.

The previous prime is 1276525199. The next prime is 1276525303. The reversal of 1276525255 is 5525256721.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1276525255 - 2¹⁷ = 1276394183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127652521 + ... + 127652530.

It is an arithmetic number, because the mean of its divisors is an integer number (382957578).

Almost surely, 2^1276525255 is an apocalyptic number.

1276525255 is a deficient number, since it is larger than the sum of its proper divisors (255305057).

1276525255 is an equidigital number, since it uses as much as digits as its factorization.

1276525255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255305056.

The product of its digits is 210000, while the sum is 40.

The square root of 1276525255 is about 35728.4936010462. The cubic root of 1276525255 is about 1084.7836657321.

The spelling of 1276525255 in words is "one billion, two hundred seventy-six million, five hundred twenty-five thousand, two hundred fifty-five".