129247483 has 2 divisors, whose sum is σ = 129247484. Its totient is φ = 129247482.

The previous prime is 129247451. The next prime is 129247493. The reversal of 129247483 is 384742921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 129247483 - 2⁵ = 129247451 is a prime.

It is not a weakly prime, because it can be changed into another prime (129247493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64623741 + 64623742.

It is an arithmetic number, because the mean of its divisors is an integer number (64623742).

Almost surely, 2^129247483 is an apocalyptic number.

129247483 is a deficient number, since it is larger than the sum of its proper divisors (1).

129247483 is an equidigital number, since it uses as much as digits as its factorization.

129247483 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 40.

The square root of 129247483 is about 11368.7063028297. The cubic root of 129247483 is about 505.6003486581.

The spelling of 129247483 in words is "one hundred twenty-nine million, two hundred forty-seven thousand, four hundred eighty-three".