122142133 has 4 divisors (see below), whose sum is σ = 122274540. Its totient is φ = 122009728.

The previous prime is 122142131. The next prime is 122142169. The reversal of 122142133 is 331241221.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 58110129 + 64032004 = 7623^2 + 8002^2 .

It is a cyclic number.

It is not a de Polignac number, because 122142133 - 2¹ = 122142131 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 122142133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122142131) 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, 64810 + ... + 66667.

It is an arithmetic number, because the mean of its divisors is an integer number (30568635).

Almost surely, 2^122142133 is an apocalyptic number.

It is an amenable number.

122142133 is a deficient number, since it is larger than the sum of its proper divisors (132407).

122142133 is an equidigital number, since it uses as much as digits as its factorization.

122142133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132406.

The product of its digits is 288, while the sum is 19.

The square root of 122142133 is about 11051.7932029151. The cubic root of 122142133 is about 496.1600964397.

Adding to 122142133 its reverse (331241221), we get a palindrome (453383354).

The spelling of 122142133 in words is "one hundred twenty-two million, one hundred forty-two thousand, one hundred thirty-three".