129454883 has 2 divisors, whose sum is σ = 129454884. Its totient is φ = 129454882.

The previous prime is 129454877. The next prime is 129454891. The reversal of 129454883 is 388454921.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 129454883 - 2¹² = 129450787 is a prime.

It is not a weakly prime, because it can be changed into another prime (129454483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64727441 + 64727442.

It is an arithmetic number, because the mean of its divisors is an integer number (64727442).

Almost surely, 2^129454883 is an apocalyptic number.

129454883 is a deficient number, since it is larger than the sum of its proper divisors (1).

129454883 is an equidigital number, since it uses as much as digits as its factorization.

129454883 is an evil number, because the sum of its binary digits is even.

The product of its digits is 276480, while the sum is 44.

The square root of 129454883 is about 11377.8241768802. The cubic root of 129454883 is about 505.8706452765.

The spelling of 129454883 in words is "one hundred twenty-nine million, four hundred fifty-four thousand, eight hundred eighty-three".