30122951 has 2 divisors, whose sum is σ = 30122952. Its totient is φ = 30122950.

The previous prime is 30122927. The next prime is 30123001. The reversal of 30122951 is 15922103.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30122951 - 2⁶ = 30122887 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30122051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15061475 + 15061476.

It is an arithmetic number, because the mean of its divisors is an integer number (15061476).

Almost surely, 2^30122951 is an apocalyptic number.

30122951 is a deficient number, since it is larger than the sum of its proper divisors (1).

30122951 is an equidigital number, since it uses as much as digits as its factorization.

30122951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 30122951 is about 5488.4379380658. The cubic root of 30122951 is about 311.1471579501.

The spelling of 30122951 in words is "thirty million, one hundred twenty-two thousand, nine hundred fifty-one".