1255140303 has 8 divisors (see below), whose sum is σ = 1682870400. Its totient is φ = 832085208.

The previous prime is 1255140269. The next prime is 1255140317. The reversal of 1255140303 is 3030415521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1255140303 - 2¹⁶ = 1255074767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255140203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1168123 + ... + 1169196.

It is an arithmetic number, because the mean of its divisors is an integer number (210358800).

Almost surely, 2^1255140303 is an apocalyptic number.

1255140303 is a deficient number, since it is larger than the sum of its proper divisors (427730097).

1255140303 is a wasteful number, since it uses less digits than its factorization.

1255140303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2337501.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 1255140303 is about 35427.9593400467. The cubic root of 1255140303 is about 1078.6919185381.

Adding to 1255140303 its reverse (3030415521), we get a palindrome (4285555824).

The spelling of 1255140303 in words is "one billion, two hundred fifty-five million, one hundred forty thousand, three hundred three".