122011807 has 2 divisors, whose sum is σ = 122011808. Its totient is φ = 122011806.

The previous prime is 122011801. The next prime is 122011811. The reversal of 122011807 is 708110221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122011807 - 2⁷ = 122011679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122011801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61005903 + 61005904.

It is an arithmetic number, because the mean of its divisors is an integer number (61005904).

Almost surely, 2^122011807 is an apocalyptic number.

122011807 is a deficient number, since it is larger than the sum of its proper divisors (1).

122011807 is an equidigital number, since it uses as much as digits as its factorization.

122011807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 22.

The square root of 122011807 is about 11045.8954820331. The cubic root of 122011807 is about 495.9835655650.

The spelling of 122011807 in words is "one hundred twenty-two million, eleven thousand, eight hundred seven".