30123001 has 2 divisors, whose sum is σ = 30123002. Its totient is φ = 30123000.

The previous prime is 30122951. The next prime is 30123007. The reversal of 30123001 is 10032103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29713401 + 409600 = 5451^2 + 640^2 .

It is a cyclic number.

It is not a de Polignac number, because 30123001 - 2¹¹ = 30120953 is a prime.

It is not a weakly prime, because it can be changed into another prime (30123007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15061500 + 15061501.

It is an arithmetic number, because the mean of its divisors is an integer number (15061501).

Almost surely, 2^30123001 is an apocalyptic number.

It is an amenable number.

30123001 is a deficient number, since it is larger than the sum of its proper divisors (1).

30123001 is an equidigital number, since it uses as much as digits as its factorization.

30123001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 30123001 is about 5488.4424930940. The cubic root of 30123001 is about 311.1473301040.

Adding to 30123001 its reverse (10032103), we get a palindrome (40155104).

The spelling of 30123001 in words is "thirty million, one hundred twenty-three thousand, one".