129974 has 8 divisors (see below), whose sum is σ = 210000. Its totient is φ = 59976.

The previous prime is 129971. The next prime is 130003. The reversal of 129974 is 479921.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 129974.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129971) 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 3 ways as a sum of consecutive naturals, for example, 2474 + ... + 2525.

It is an arithmetic number, because the mean of its divisors is an integer number (26250).

2¹²⁹⁹⁷⁴ is an apocalyptic number.

129974 is a deficient number, since it is larger than the sum of its proper divisors (80026).

129974 is a wasteful number, since it uses less digits than its factorization.

129974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5014.

The product of its digits is 4536, while the sum is 32.

The square root of 129974 is about 360.5190702307. The cubic root of 129974 is about 50.6545927678.

The spelling of 129974 in words is "one hundred twenty-nine thousand, nine hundred seventy-four".