1233141979 has 2 divisors, whose sum is σ = 1233141980. Its totient is φ = 1233141978.

The previous prime is 1233141929. The next prime is 1233141989. The reversal of 1233141979 is 9791413321.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1233141979 is a prime.

It is not a weakly prime, because it can be changed into another prime (1233141929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616570989 + 616570990.

It is an arithmetic number, because the mean of its divisors is an integer number (616570990).

Almost surely, 2^1233141979 is an apocalyptic number.

1233141979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1233141979 is an equidigital number, since it uses as much as digits as its factorization.

1233141979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40824, while the sum is 40.

The square root of 1233141979 is about 35116.1213547282. The cubic root of 1233141979 is about 1072.3528099489.

The spelling of 1233141979 in words is "one billion, two hundred thirty-three million, one hundred forty-one thousand, nine hundred seventy-nine".