1201687244 has 24 divisors (see below), whose sum is σ = 2121066528. Its totient is φ = 595687680.

The previous prime is 1201687231. The next prime is 1201687259. The reversal of 1201687244 is 4427861021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279092 + ... + 283364.

It is an arithmetic number, because the mean of its divisors is an integer number (88377772).

Almost surely, 2^1201687244 is an apocalyptic number.

It is an amenable number.

1201687244 is a deficient number, since it is larger than the sum of its proper divisors (919379284).

1201687244 is a wasteful number, since it uses less digits than its factorization.

1201687244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4865 (or 4863 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 1201687244 is about 34665.3608664326. The cubic root of 1201687244 is about 1063.1563815788.

The spelling of 1201687244 in words is "one billion, two hundred one million, six hundred eighty-seven thousand, two hundred forty-four".