122491201 has 8 divisors (see below), whose sum is σ = 143773760. Its totient is φ = 102154608.

The previous prime is 122491189. The next prime is 122491217. The reversal of 122491201 is 102194221.

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

It is a cyclic number.

It is not a de Polignac number, because 122491201 - 2⁷ = 122491073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122491301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236211 + ... + 236728.

It is an arithmetic number, because the mean of its divisors is an integer number (17971720).

Almost surely, 2^122491201 is an apocalyptic number.

It is an amenable number.

122491201 is a deficient number, since it is larger than the sum of its proper divisors (21282559).

122491201 is an equidigital number, since it uses as much as digits as its factorization.

122491201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472983.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 122491201 is about 11067.5743051493. The cubic root of 122491201 is about 496.6323028239.

The spelling of 122491201 in words is "one hundred twenty-two million, four hundred ninety-one thousand, two hundred one".