122138201 has 8 divisors (see below), whose sum is σ = 124515360. Its totient is φ = 119771392.

The previous prime is 122138179. The next prime is 122138249. The reversal of 122138201 is 102831221.

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 122138201 - 2¹⁰ = 122137177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122138281) 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, 23801 + ... + 28473.

It is an arithmetic number, because the mean of its divisors is an integer number (15564420).

Almost surely, 2^122138201 is an apocalyptic number.

It is an amenable number.

122138201 is a deficient number, since it is larger than the sum of its proper divisors (2377159).

122138201 is an equidigital number, since it uses as much as digits as its factorization.

122138201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5175.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 122138201 is about 11051.6153117994. The cubic root of 122138201 is about 496.1547722534.

Adding to 122138201 its reverse (102831221), we get a palindrome (224969422).

The spelling of 122138201 in words is "one hundred twenty-two million, one hundred thirty-eight thousand, two hundred one".