122151601 has 16 divisors (see below), whose sum is σ = 144482688. Its totient is φ = 101808000.

The previous prime is 122151599. The next prime is 122151607. The reversal of 122151601 is 106151221.

It is a cyclic number.

It is not a de Polignac number, because 122151601 - 2¹ = 122151599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122151607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18765 + ... + 24421.

It is an arithmetic number, because the mean of its divisors is an integer number (9030168).

Almost surely, 2^122151601 is an apocalyptic number.

122151601 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122151601 is a deficient number, since it is larger than the sum of its proper divisors (22331087).

122151601 is a wasteful number, since it uses less digits than its factorization.

122151601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5832.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 122151601 is about 11052.2215413916. The cubic root of 122151601 is about 496.1729162650.

The spelling of 122151601 in words is "one hundred twenty-two million, one hundred fifty-one thousand, six hundred one".