129059977 has 8 divisors (see below), whose sum is σ = 130277664. Its totient is φ = 127847808.

The previous prime is 129059939. The next prime is 129059981. The reversal of 129059977 is 779950921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-129059977 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 129059977.

It is not an unprimeable number, because it can be changed into a prime (129059477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56418 + ... + 58660.

It is an arithmetic number, because the mean of its divisors is an integer number (16284708).

Almost surely, 2^129059977 is an apocalyptic number.

It is an amenable number.

129059977 is a deficient number, since it is larger than the sum of its proper divisors (1217687).

129059977 is a wasteful number, since it uses less digits than its factorization.

129059977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2759.

The product of its (nonzero) digits is 357210, while the sum is 49.

The square root of 129059977 is about 11360.4567249737. The cubic root of 129059977 is about 505.3557301453.

The spelling of 129059977 in words is "one hundred twenty-nine million, fifty-nine thousand, nine hundred seventy-seven".