1201286634 has 16 divisors (see below), whose sum is σ = 2461173120. Its totient is φ = 390662240.

The previous prime is 1201286621. The next prime is 1201286651. The reversal of 1201286634 is 4366821021.

It is a junction number, because it is equal to n+sod(n) for n = 1201286595 and 1201286604.

It is an unprimeable number.

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, 2441394 + ... + 2441885.

It is an arithmetic number, because the mean of its divisors is an integer number (153823320).

Almost surely, 2^1201286634 is an apocalyptic number.

1201286634 is an abundant number, since it is smaller than the sum of its proper divisors (1259886486).

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

1201286634 is a wasteful number, since it uses less digits than its factorization.

1201286634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4883325.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 1201286634 is about 34659.5821382774. The cubic root of 1201286634 is about 1063.0382259278.

The spelling of 1201286634 in words is "one billion, two hundred one million, two hundred eighty-six thousand, six hundred thirty-four".