122621347 has 2 divisors, whose sum is σ = 122621348. Its totient is φ = 122621346.

The previous prime is 122621341. The next prime is 122621393. The reversal of 122621347 is 743126221.

It is a weak prime.

It is an emirp because it is prime and its reverse (743126221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122621347 - 2³ = 122621339 is a prime.

It is not a weakly prime, because it can be changed into another prime (122621341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61310673 + 61310674.

It is an arithmetic number, because the mean of its divisors is an integer number (61310674).

Almost surely, 2^122621347 is an apocalyptic number.

122621347 is a deficient number, since it is larger than the sum of its proper divisors (1).

122621347 is an equidigital number, since it uses as much as digits as its factorization.

122621347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 28.

The square root of 122621347 is about 11073.4523523606. The cubic root of 122621347 is about 496.8081299564.

Adding to 122621347 its reverse (743126221), we get a palindrome (865747568).

The spelling of 122621347 in words is "one hundred twenty-two million, six hundred twenty-one thousand, three hundred forty-seven".