1254040255 has 16 divisors (see below), whose sum is σ = 1622920320. Its totient is φ = 924738048.

The previous prime is 1254040253. The next prime is 1254040279. The reversal of 1254040255 is 5520404521.

It is not a de Polignac number, because 1254040255 - 2¹ = 1254040253 is a prime.

It is a super-2 number, since 2×1254040255² = 3145233922320930050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1254040253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33319 + ... + 60151.

It is an arithmetic number, because the mean of its divisors is an integer number (101432520).

Almost surely, 2^1254040255 is an apocalyptic number.

1254040255 is a deficient number, since it is larger than the sum of its proper divisors (368880065).

1254040255 is a wasteful number, since it uses less digits than its factorization.

1254040255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27570.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 1254040255 is about 35412.4307976733. The cubic root of 1254040255 is about 1078.3766922332.

Adding to 1254040255 its reverse (5520404521), we get a palindrome (6774444776).

The spelling of 1254040255 in words is "one billion, two hundred fifty-four million, forty thousand, two hundred fifty-five".