122170801407 has 4 divisors (see below), whose sum is σ = 162894401880. Its totient is φ = 81447200936.

The previous prime is 122170801381. The next prime is 122170801411. The reversal of 122170801407 is 704108071221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122170801407 - 2²⁴ = 122154024191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122170801007) 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, 20361800232 + ... + 20361800237.

It is an arithmetic number, because the mean of its divisors is an integer number (40723600470).

Almost surely, 2^122170801407 is an apocalyptic number.

122170801407 is a deficient number, since it is larger than the sum of its proper divisors (40723600473).

122170801407 is an equidigital number, since it uses as much as digits as its factorization.

122170801407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40723600472.

The product of its (nonzero) digits is 6272, while the sum is 33.

Adding to 122170801407 its reverse (704108071221), we get a palindrome (826278872628).

The spelling of 122170801407 in words is "one hundred twenty-two billion, one hundred seventy million, eight hundred one thousand, four hundred seven".