1255330843 has 4 divisors (see below), whose sum is σ = 1351894768. Its totient is φ = 1158766920.

The previous prime is 1255330841. The next prime is 1255330861. The reversal of 1255330843 is 3480335521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3480335521 = 13 ⋅267718117.

It is a cyclic number.

It is not a de Polignac number, because 1255330843 - 2¹ = 1255330841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1255330799 and 1255330808.

It is not an unprimeable number, because it can be changed into a prime (1255330841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48281943 + ... + 48281968.

It is an arithmetic number, because the mean of its divisors is an integer number (337973692).

Almost surely, 2^1255330843 is an apocalyptic number.

1255330843 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1255330843 is a deficient number, since it is larger than the sum of its proper divisors (96563925).

1255330843 is an equidigital number, since it uses as much as digits as its factorization.

1255330843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96563924.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 1255330843 is about 35430.6483570369. The cubic root of 1255330843 is about 1078.7465003666.

The spelling of 1255330843 in words is "one billion, two hundred fifty-five million, three hundred thirty thousand, eight hundred forty-three".