1230132479 has 2 divisors, whose sum is σ = 1230132480. Its totient is φ = 1230132478.

The previous prime is 1230132443. The next prime is 1230132481. The reversal of 1230132479 is 9742310321.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1230132479 is a prime.

Together with 1230132481, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1230131479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615066239 + 615066240.

It is an arithmetic number, because the mean of its divisors is an integer number (615066240).

Almost surely, 2^1230132479 is an apocalyptic number.

1230132479 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230132479 is an equidigital number, since it uses as much as digits as its factorization.

1230132479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 1230132479 is about 35073.2444892114. The cubic root of 1230132479 is about 1071.4797353743.

The spelling of 1230132479 in words is "one billion, two hundred thirty million, one hundred thirty-two thousand, four hundred seventy-nine".