30122741 has 8 divisors (see below), whose sum is σ = 33663168. Its totient is φ = 26716000.

The previous prime is 30122737. The next prime is 30122753. The reversal of 30122741 is 14722103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30122741 - 2² = 30122737 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30122791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32945 + ... + 33846.

It is an arithmetic number, because the mean of its divisors is an integer number (4207896).

Almost surely, 2^30122741 is an apocalyptic number.

It is an amenable number.

30122741 is a deficient number, since it is larger than the sum of its proper divisors (3540427).

30122741 is a wasteful number, since it uses less digits than its factorization.

30122741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66843.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 30122741 is about 5488.4188069060. The cubic root of 30122741 is about 311.1464349017.

Adding to 30122741 its reverse (14722103), we get a palindrome (44844844).

The spelling of 30122741 in words is "thirty million, one hundred twenty-two thousand, seven hundred forty-one".