122066407 has 4 divisors (see below), whose sum is σ = 122167440. Its totient is φ = 121965376.

The previous prime is 122066387. The next prime is 122066411. The reversal of 122066407 is 704660221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 704660221 = 43 ⋅16387447.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122066407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122066447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48682 + ... + 51127.

It is an arithmetic number, because the mean of its divisors is an integer number (30541860).

Almost surely, 2^122066407 is an apocalyptic number.

122066407 is a deficient number, since it is larger than the sum of its proper divisors (101033).

122066407 is an equidigital number, since it uses as much as digits as its factorization.

122066407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101032.

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

The square root of 122066407 is about 11048.3667118719. The cubic root of 122066407 is about 496.0575383627.

The spelling of 122066407 in words is "one hundred twenty-two million, sixty-six thousand, four hundred seven".