129458883 has 16 divisors (see below), whose sum is σ = 178712576. Its totient is φ = 83272320.

The previous prime is 129458863. The next prime is 129458899. The reversal of 129458883 is 388854921.

It is a Cunningham number, because it is equal to 11378²-1.

It is not a de Polignac number, because 129458883 - 2¹³ = 129450691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (129458863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32235 + ... + 36027.

It is an arithmetic number, because the mean of its divisors is an integer number (11169536).

Almost surely, 2^129458883 is an apocalyptic number.

129458883 is a deficient number, since it is larger than the sum of its proper divisors (49253693).

129458883 is a wasteful number, since it uses less digits than its factorization.

129458883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4194.

The product of its digits is 552960, while the sum is 48.

The square root of 129458883 is about 11377.9999560555. Note that the first 4 decimals coincide. The cubic root of 129458883 is about 505.8758554874.

The spelling of 129458883 in words is "one hundred twenty-nine million, four hundred fifty-eight thousand, eight hundred eighty-three".