1255003455 has 32 divisors (see below), whose sum is σ = 2070904320. Its totient is φ = 648690560.

The previous prime is 1255003429. The next prime is 1255003469. The reversal of 1255003455 is 5543005521.

It is a happy number.

It is not a de Polignac number, because 1255003455 - 2⁵ = 1255003423 is a prime.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 52849 + ... + 72821.

It is an arithmetic number, because the mean of its divisors is an integer number (64715760).

Almost surely, 2^1255003455 is an apocalyptic number.

1255003455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1255003455 is a deficient number, since it is larger than the sum of its proper divisors (815900865).

1255003455 is a wasteful number, since it uses less digits than its factorization.

1255003455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20111.

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 1255003455 is about 35426.0279314518. The cubic root of 1255003455 is about 1078.6527138381.

Adding to 1255003455 its reverse (5543005521), we get a palindrome (6798008976).

The spelling of 1255003455 in words is "one billion, two hundred fifty-five million, three thousand, four hundred fifty-five".