30969129 has 8 divisors (see below), whose sum is σ = 42716160. Its totient is φ = 19934096.

The previous prime is 30969097. The next prime is 30969131. The reversal of 30969129 is 92196903.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 30969129 - 2⁵ = 30969097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30969139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177897 + ... + 178070.

It is an arithmetic number, because the mean of its divisors is an integer number (5339520).

Almost surely, 2^30969129 is an apocalyptic number.

It is an amenable number.

30969129 is a deficient number, since it is larger than the sum of its proper divisors (11747031).

30969129 is a wasteful number, since it uses less digits than its factorization.

30969129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355999.

The product of its (nonzero) digits is 26244, while the sum is 39.

The square root of 30969129 is about 5564.9913746564. The cubic root of 30969129 is about 314.0337536571.

The spelling of 30969129 in words is "thirty million, nine hundred sixty-nine thousand, one hundred twenty-nine".