30122965 has 4 divisors (see below), whose sum is σ = 36147564. Its totient is φ = 24098368.

The previous prime is 30122951. The next prime is 30123001. The reversal of 30122965 is 56922103.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19838116 + 10284849 = 4454^2 + 3207^2 .

It is a cyclic number.

It is not a de Polignac number, because 30122965 - 2¹¹ = 30120917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3012292 + ... + 3012301.

It is an arithmetic number, because the mean of its divisors is an integer number (9036891).

Almost surely, 2^30122965 is an apocalyptic number.

It is an amenable number.

30122965 is a deficient number, since it is larger than the sum of its proper divisors (6024599).

30122965 is an equidigital number, since it uses as much as digits as its factorization.

30122965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6024598.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 30122965 is about 5488.4392134741. The cubic root of 30122965 is about 311.1472061532.

The spelling of 30122965 in words is "thirty million, one hundred twenty-two thousand, nine hundred sixty-five".