1255359743 has 8 divisors (see below), whose sum is σ = 1416707280. Its totient is φ = 1101882880.

The previous prime is 1255359737. The next prime is 1255359751. The reversal of 1255359743 is 3479535521.

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

It is a cyclic number.

It is not a de Polignac number, because 1255359743 - 2⁸ = 1255359487 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1255359694 and 1255359703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255359793) 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, 1967330 + ... + 1967967.

It is an arithmetic number, because the mean of its divisors is an integer number (177088410).

Almost surely, 2^1255359743 is an apocalyptic number.

1255359743 is a deficient number, since it is larger than the sum of its proper divisors (161347537).

1255359743 is a wasteful number, since it uses less digits than its factorization.

1255359743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3935337.

The product of its digits is 567000, while the sum is 44.

The square root of 1255359743 is about 35431.0561936841. The cubic root of 1255359743 is about 1078.7547785388.

The spelling of 1255359743 in words is "one billion, two hundred fifty-five million, three hundred fifty-nine thousand, seven hundred forty-three".