1231756483 has 2 divisors, whose sum is σ = 1231756484. Its totient is φ = 1231756482.

The previous prime is 1231756321. The next prime is 1231756489. The reversal of 1231756483 is 3846571321.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1231756483 is a prime.

It is not a weakly prime, because it can be changed into another prime (1231756489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615878241 + 615878242.

It is an arithmetic number, because the mean of its divisors is an integer number (615878242).

Almost surely, 2^1231756483 is an apocalyptic number.

1231756483 is a deficient number, since it is larger than the sum of its proper divisors (1).

1231756483 is an equidigital number, since it uses as much as digits as its factorization.

1231756483 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 40.

The square root of 1231756483 is about 35096.3884609229. The cubic root of 1231756483 is about 1071.9510456384.

The spelling of 1231756483 in words is "one billion, two hundred thirty-one million, seven hundred fifty-six thousand, four hundred eighty-three".