30122001 has 24 divisors (see below), whose sum is σ = 53551680. Its totient is φ = 15888096.

The previous prime is 30121999. The next prime is 30122017. The reversal of 30122001 is 10022103.

It is a happy number.

It is not a de Polignac number, because 30122001 - 2¹ = 30121999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (30122021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17571 + ... + 19208.

It is an arithmetic number, because the mean of its divisors is an integer number (2231320).

Almost surely, 2^30122001 is an apocalyptic number.

It is an amenable number.

30122001 is a deficient number, since it is larger than the sum of its proper divisors (23429679).

30122001 is a wasteful number, since it uses less digits than its factorization.

30122001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36805 (or 36802 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 30122001 is about 5488.3513918116. The cubic root of 30122001 is about 311.1438869900.

Adding to 30122001 its reverse (10022103), we get a palindrome (40144104).

The spelling of 30122001 in words is "thirty million, one hundred twenty-two thousand, one".