129474 has 12 divisors (see below), whose sum is σ = 280566. Its totient is φ = 43152.
The previous prime is 129469. The next prime is 129491. The reversal of 129474 is 474921.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 127449 + 2025 = 357^2 + 45^2 .
It is an alternating number because its digits alternate between odd and even.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3579 + ... + 3614.
2129474 is an apocalyptic number.
129474 is an abundant number, since it is smaller than the sum of its proper divisors (151092).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
129474 is a wasteful number, since it uses less digits than its factorization.
129474 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7201 (or 7198 counting only the distinct ones).
The product of its digits is 2016, while the sum is 27.
The square root of 129474 is about 359.8249574446. The cubic root of 129474 is about 50.5895545208.
The spelling of 129474 in words is "one hundred twenty-nine thousand, four hundred seventy-four".
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