1201200104 has 32 divisors (see below), whose sum is σ = 2432768520. Its totient is φ = 552738816.

The previous prime is 1201200073. The next prime is 1201200107. The reversal of 1201200104 is 4010021021.

It can be written as a sum of positive squares in 4 ways, for example, as 957902500 + 243297604 = 30950^2 + 15598^2 .

It is a super-2 number, since 2×1201200104² = 2885763379699221632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1201200107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17912 + ... + 52184.

Almost surely, 2^1201200104 is an apocalyptic number.

It is an amenable number.

1201200104 is an abundant number, since it is smaller than the sum of its proper divisors (1231568416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1201200104 is a wasteful number, since it uses less digits than its factorization.

1201200104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34629 (or 34625 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1201200104 is about 34658.3338318506. Note that the first 3 decimals coincide. The cubic root of 1201200104 is about 1063.0127013766.

Adding to 1201200104 its reverse (4010021021), we get a palindrome (5211221125).

The spelling of 1201200104 in words is "one billion, two hundred one million, two hundred thousand, one hundred four".