122601647 has 8 divisors (see below), whose sum is σ = 144948000. Its totient is φ = 101463264.

The previous prime is 122601641. The next prime is 122601649. The reversal of 122601647 is 746106221.

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

It is not a de Polignac number, because 122601647 - 2⁴ = 122601631 is a prime.

It is a super-2 number, since 2×122601647² = 30062327694225218, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122601641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301772 + ... + 302177.

It is an arithmetic number, because the mean of its divisors is an integer number (18118500).

Almost surely, 2^122601647 is an apocalyptic number.

122601647 is a deficient number, since it is larger than the sum of its proper divisors (22346353).

122601647 is an equidigital number, since it uses as much as digits as its factorization.

122601647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603985.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 122601647 is about 11072.5628018088. The cubic root of 122601647 is about 496.7815232669.

Adding to 122601647 its reverse (746106221), we get a palindrome (868707868).

The spelling of 122601647 in words is "one hundred twenty-two million, six hundred one thousand, six hundred forty-seven".