122309443 has 8 divisors (see below), whose sum is σ = 127263600. Its totient is φ = 117404448.

The previous prime is 122309431. The next prime is 122309489. The reversal of 122309443 is 344903221.

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 122309443 - 2²¹ = 120212291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122307443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7173 + ... + 17206.

It is an arithmetic number, because the mean of its divisors is an integer number (15907950).

Almost surely, 2^122309443 is an apocalyptic number.

122309443 is a deficient number, since it is larger than the sum of its proper divisors (4954157).

122309443 is a wasteful number, since it uses less digits than its factorization.

122309443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24581.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 122309443 is about 11059.3599724396. The cubic root of 122309443 is about 496.3865393798.

The spelling of 122309443 in words is "one hundred twenty-two million, three hundred nine thousand, four hundred forty-three".