129274 has 8 divisors (see below), whose sum is σ = 196020. Its totient is φ = 63936.

The previous prime is 129263. The next prime is 129277. The reversal of 129274 is 472921.

It can be written as a sum of positive squares in 2 ways, for example, as 126025 + 3249 = 355^2 + 57^2 .

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

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (129277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79 + ... + 514.

2¹²⁹²⁷⁴ is an apocalyptic number.

129274 is a deficient number, since it is larger than the sum of its proper divisors (66746).

129274 is a wasteful number, since it uses less digits than its factorization.

129274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704.

The product of its digits is 1008, while the sum is 25.

The square root of 129274 is about 359.5469371306. The cubic root of 129274 is about 50.5634923381.

The spelling of 129274 in words is "one hundred twenty-nine thousand, two hundred seventy-four".