200121032 has 16 divisors (see below), whose sum is σ = 380368140. Its totient is φ = 98689536.

The previous prime is 200121023. The next prime is 200121043. The reversal of 200121032 is 230121002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 198415396 + 1705636 = 14086^2 + 1306^2 .

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, 170753 + ... + 171920.

Almost surely, 2^200121032 is an apocalyptic number.

It is an amenable number.

200121032 is a deficient number, since it is larger than the sum of its proper divisors (180247108).

200121032 is a wasteful number, since it uses less digits than its factorization.

200121032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342752 (or 342748 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 200121032 is about 14146.4141039346. The cubic root of 200121032 is about 584.9214904260.

Adding to 200121032 its reverse (230121002), we get a palindrome (430242034).

It can be divided in two parts, 200 and 121032, that multiplied together give a square (24206400 = 4920²).

The spelling of 200121032 in words is "two hundred million, one hundred twenty-one thousand, thirty-two".