1201633116 has 12 divisors (see below), whose sum is σ = 2803810632. Its totient is φ = 400544368.

The previous prime is 1201633109. The next prime is 1201633157. The reversal of 1201633116 is 6113361021.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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, 50068035 + ... + 50068058.

It is an arithmetic number, because the mean of its divisors is an integer number (233650886).

Almost surely, 2^1201633116 is an apocalyptic number.

It is an amenable number.

1201633116 is an abundant number, since it is smaller than the sum of its proper divisors (1602177516).

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

1201633116 is a wasteful number, since it uses less digits than its factorization.

1201633116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100136100 (or 100136098 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 1201633116 is about 34664.5801359255. The cubic root of 1201633116 is about 1063.1404186364.

Adding to 1201633116 its reverse (6113361021), we get a palindrome (7314994137).

The spelling of 1201633116 in words is "one billion, two hundred one million, six hundred thirty-three thousand, one hundred sixteen".