30129201 has 6 divisors (see below), whose sum is σ = 43519970. Its totient is φ = 20086128.

The previous prime is 30129199. The next prime is 30129299. The reversal of 30129201 is 10292103.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 15681600 + 14447601 = 3960^2 + 3801^2 .

It is not a de Polignac number, because 30129201 - 2¹ = 30129199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30129401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1673836 + ... + 1673853.

Almost surely, 2^30129201 is an apocalyptic number.

It is an amenable number.

30129201 is a deficient number, since it is larger than the sum of its proper divisors (13390769).

30129201 is a wasteful number, since it uses less digits than its factorization.

30129201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3347695 (or 3347692 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 30129201 is about 5489.0072872970. The cubic root of 30129201 is about 311.1686757097.

The spelling of 30129201 in words is "thirty million, one hundred twenty-nine thousand, two hundred one".