122153201 has 4 divisors (see below), whose sum is σ = 122186304. Its totient is φ = 122120100.

The previous prime is 122153183. The next prime is 122153209. The reversal of 122153201 is 102351221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 102351221 = 7 ⋅14621603.

It is a cyclic number.

It is not a de Polignac number, because 122153201 - 2¹⁸ = 121891057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122153201.

It is not an unprimeable number, because it can be changed into a prime (122153209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10205 + ... + 18666.

It is an arithmetic number, because the mean of its divisors is an integer number (30546576).

Almost surely, 2^122153201 is an apocalyptic number.

It is an amenable number.

122153201 is a deficient number, since it is larger than the sum of its proper divisors (33103).

122153201 is an equidigital number, since it uses as much as digits as its factorization.

122153201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33102.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 122153201 is about 11052.2939247923. The cubic root of 122153201 is about 496.1750826255.

The spelling of 122153201 in words is "one hundred twenty-two million, one hundred fifty-three thousand, two hundred one".