1201233688 has 16 divisors (see below), whose sum is σ = 2283167880. Its totient is φ = 592388928.

The previous prime is 1201233667. The next prime is 1201233707. The reversal of 1201233688 is 8863321021.

It is a happy number.

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, 1027870 + ... + 1029037.

Almost surely, 2^1201233688 is an apocalyptic number.

It is an amenable number.

1201233688 is a deficient number, since it is larger than the sum of its proper divisors (1081934192).

1201233688 is a wasteful number, since it uses less digits than its factorization.

1201233688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2056986 (or 2056982 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 1201233688 is about 34658.8183295392. The cubic root of 1201233688 is about 1063.0226081040.

The spelling of 1201233688 in words is "one billion, two hundred one million, two hundred thirty-three thousand, six hundred eighty-eight".