30122153 has 2 divisors, whose sum is σ = 30122154. Its totient is φ = 30122152.

The previous prime is 30122137. The next prime is 30122161. The reversal of 30122153 is 35122103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20187049 + 9935104 = 4493^2 + 3152^2 .

It is a cyclic number.

It is not a de Polignac number, because 30122153 - 2⁴ = 30122137 is a prime.

It is not a weakly prime, because it can be changed into another prime (30122123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15061076 + 15061077.

It is an arithmetic number, because the mean of its divisors is an integer number (15061077).

Almost surely, 2^30122153 is an apocalyptic number.

It is an amenable number.

30122153 is a deficient number, since it is larger than the sum of its proper divisors (1).

30122153 is an equidigital number, since it uses as much as digits as its factorization.

30122153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 30122153 is about 5488.3652393040. The cubic root of 30122153 is about 311.1444103483.

Adding to 30122153 its reverse (35122103), we get a palindrome (65244256).

The spelling of 30122153 in words is "thirty million, one hundred twenty-two thousand, one hundred fifty-three".