1255574403 has 12 divisors (see below), whose sum is σ = 1852195488. Its totient is φ = 819239760.

The previous prime is 1255574387. The next prime is 1255574443. The reversal of 1255574403 is 3044755521.

It is not a de Polignac number, because 1255574403 - 2⁴ = 1255574387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1255574443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1483708 + ... + 1484553.

It is an arithmetic number, because the mean of its divisors is an integer number (154349624).

Almost surely, 2^1255574403 is an apocalyptic number.

1255574403 is a deficient number, since it is larger than the sum of its proper divisors (596621085).

1255574403 is a wasteful number, since it uses less digits than its factorization.

1255574403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2968314 (or 2968311 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The square root of 1255574403 is about 35434.0853275487. The cubic root of 1255574403 is about 1078.8162621904.

The spelling of 1255574403 in words is "one billion, two hundred fifty-five million, five hundred seventy-four thousand, four hundred three".