129917002 has 4 divisors (see below), whose sum is σ = 194875506. Its totient is φ = 64958500.

The previous prime is 129916981. The next prime is 129917017. The reversal of 129917002 is 200719921.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 84070561 + 45846441 = 9169^2 + 6771^2 .

It is a plaindrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32479249 + ... + 32479252.

Almost surely, 2^129917002 is an apocalyptic number.

129917002 is a deficient number, since it is larger than the sum of its proper divisors (64958504).

129917002 is an equidigital number, since it uses as much as digits as its factorization.

129917002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64958503.

The product of its (nonzero) digits is 2268, while the sum is 31.

The square root of 129917002 is about 11398.1139667929. The cubic root of 129917002 is about 506.4718710047.

The spelling of 129917002 in words is "one hundred twenty-nine million, nine hundred seventeen thousand, two".