200142122 has 8 divisors (see below), whose sum is σ = 317872836. Its totient is φ = 94184512.

The previous prime is 200142119. The next prime is 200142149. The reversal of 200142122 is 221241002.

It can be written as a sum of positive squares in 2 ways, for example, as 157226521 + 42915601 = 12539^2 + 6551^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 200142097 and 200142106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2943233 + ... + 2943300.

Almost surely, 2^200142122 is an apocalyptic number.

200142122 is a deficient number, since it is larger than the sum of its proper divisors (117730714).

200142122 is a wasteful number, since it uses less digits than its factorization.

200142122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5886552.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 200142122 is about 14147.1595028825. The cubic root of 200142122 is about 584.9420372600.

Adding to 200142122 its reverse (221241002), we get a palindrome (421383124).

The spelling of 200142122 in words is "two hundred million, one hundred forty-two thousand, one hundred twenty-two".