1255413903 has 8 divisors (see below), whose sum is σ = 1680399408. Its totient is φ = 833685504.

The previous prime is 1255413893. The next prime is 1255413911. The reversal of 1255413903 is 3093145521.

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

It is not a de Polignac number, because 1255413903 - 2¹² = 1255409807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255413403) 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, 813376 + ... + 814917.

It is an arithmetic number, because the mean of its divisors is an integer number (210049926).

Almost surely, 2^1255413903 is an apocalyptic number.

1255413903 is a deficient number, since it is larger than the sum of its proper divisors (424985505).

1255413903 is a wasteful number, since it uses less digits than its factorization.

1255413903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1628553.

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 1255413903 is about 35431.8204866755. The cubic root of 1255413903 is about 1078.7702918924.

The spelling of 1255413903 in words is "one billion, two hundred fifty-five million, four hundred thirteen thousand, nine hundred three".