1201146633 has 6 divisors (see below), whose sum is σ = 1734989594. Its totient is φ = 800764416.

The previous prime is 1201146631. The next prime is 1201146637. The reversal of 1201146633 is 3366411021.

1201146633 is a `hidden beast` number, since 1 + 20 + 1 + 1 + 4 + 6 + 633 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1068505344 + 132641289 = 32688^2 + 11517^2 .

It is not a de Polignac number, because 1201146633 - 2¹ = 1201146631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1201146597 and 1201146606.

It is not an unprimeable number, because it can be changed into a prime (1201146631) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66730360 + ... + 66730377.

Almost surely, 2^1201146633 is an apocalyptic number.

It is an amenable number.

1201146633 is a deficient number, since it is larger than the sum of its proper divisors (533842961).

1201146633 is a wasteful number, since it uses less digits than its factorization.

1201146633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133460743 (or 133460740 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 1201146633 is about 34657.5624214976. The cubic root of 1201146633 is about 1062.9969279304.

Adding to 1201146633 its reverse (3366411021), we get a palindrome (4567557654).

The spelling of 1201146633 in words is "one billion, two hundred one million, one hundred forty-six thousand, six hundred thirty-three".