122427645 has 8 divisors (see below), whose sum is σ = 195884256. Its totient is φ = 65294736.

The previous prime is 122427611. The next prime is 122427653. The reversal of 122427645 is 546724221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-122427645 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4080907 + ... + 4080936.

It is an arithmetic number, because the mean of its divisors is an integer number (24485532).

Almost surely, 2^122427645 is an apocalyptic number.

122427645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122427645 is a deficient number, since it is larger than the sum of its proper divisors (73456611).

122427645 is an equidigital number, since it uses as much as digits as its factorization.

122427645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8161851.

The product of its digits is 26880, while the sum is 33.

The square root of 122427645 is about 11064.7026620691. The cubic root of 122427645 is about 496.5463934605.

The spelling of 122427645 in words is "one hundred twenty-two million, four hundred twenty-seven thousand, six hundred forty-five".