1254679255 has 4 divisors (see below), whose sum is σ = 1505615112. Its totient is φ = 1003743400.

The previous prime is 1254679249. The next prime is 1254679259. The reversal of 1254679255 is 5529764521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5529764521 = 241 ⋅22945081.

It is not a de Polignac number, because 1254679255 - 2³ = 1254679247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1254679259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125467921 + ... + 125467930.

It is an arithmetic number, because the mean of its divisors is an integer number (376403778).

Almost surely, 2^1254679255 is an apocalyptic number.

1254679255 is a deficient number, since it is larger than the sum of its proper divisors (250935857).

1254679255 is an equidigital number, since it uses as much as digits as its factorization.

1254679255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250935856.

The product of its digits is 756000, while the sum is 46.

The square root of 1254679255 is about 35421.4519041781. The cubic root of 1254679255 is about 1078.5598244986.

The spelling of 1254679255 in words is "one billion, two hundred fifty-four million, six hundred seventy-nine thousand, two hundred fifty-five".