122309009 has 8 divisors (see below), whose sum is σ = 128800320. Its totient is φ = 115915536.

The previous prime is 122309003. The next prime is 122309017. The reversal of 122309009 is 900903221.

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 122309009 - 2¹² = 122304913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122309003) 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, 21887 + ... + 26900.

It is an arithmetic number, because the mean of its divisors is an integer number (16100040).

Almost surely, 2^122309009 is an apocalyptic number.

It is an amenable number.

122309009 is a deficient number, since it is larger than the sum of its proper divisors (6491311).

122309009 is a wasteful number, since it uses less digits than its factorization.

122309009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48919.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 122309009 is about 11059.3403510336. The cubic root of 122309009 is about 496.3859522569.

The spelling of 122309009 in words is "one hundred twenty-two million, three hundred nine thousand, nine".