1255313043 has 12 divisors (see below), whose sum is σ = 1813605768. Its totient is φ = 836701920.

The previous prime is 1255313029. The next prime is 1255313051. The reversal of 1255313043 is 3403135521.

1255313043 is a `hidden beast` number, since 125 + 531 + 3 + 0 + 4 + 3 = 666.

It is not a de Polignac number, because 1255313043 - 2¹⁸ = 1255050899 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1255312998 and 1255313016.

It is not an unprimeable number, because it can be changed into a prime (1255313243) 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, 43696 + ... + 66482.

It is an arithmetic number, because the mean of its divisors is an integer number (151133814).

Almost surely, 2^1255313043 is an apocalyptic number.

1255313043 is a deficient number, since it is larger than the sum of its proper divisors (558292725).

1255313043 is a wasteful number, since it uses less digits than its factorization.

1255313043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28914 (or 28911 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 1255313043 is about 35430.3971611948. The cubic root of 1255313043 is about 1078.7414016368.

Adding to 1255313043 its reverse (3403135521), we get a palindrome (4658448564).

The spelling of 1255313043 in words is "one billion, two hundred fifty-five million, three hundred thirteen thousand, forty-three".