122001151 has 4 divisors (see below), whose sum is σ = 125936704. Its totient is φ = 118065600.

The previous prime is 122001149. The next prime is 122001167. The reversal of 122001151 is 151100221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122001151 - 2¹ = 122001149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122001101) 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, 1967730 + ... + 1967791.

It is an arithmetic number, because the mean of its divisors is an integer number (31484176).

Almost surely, 2^122001151 is an apocalyptic number.

122001151 is a deficient number, since it is larger than the sum of its proper divisors (3935553).

122001151 is an equidigital number, since it uses as much as digits as its factorization.

122001151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3935552.

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 122001151 is about 11045.4131203862. The cubic root of 122001151 is about 495.9691261025.

Adding to 122001151 its reverse (151100221), we get a palindrome (273101372).

The spelling of 122001151 in words is "one hundred twenty-two million, one thousand, one hundred fifty-one".