1201816382 has 16 divisors (see below), whose sum is σ = 1952249040. Its totient is φ = 551583552.

The previous prime is 1201816349. The next prime is 1201816433. The reversal of 1201816382 is 2836181021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124463 + ... + 133770.

It is an arithmetic number, because the mean of its divisors is an integer number (122015565).

Almost surely, 2^1201816382 is an apocalyptic number.

1201816382 is a deficient number, since it is larger than the sum of its proper divisors (750432658).

1201816382 is a wasteful number, since it uses less digits than its factorization.

1201816382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258427.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 1201816382 is about 34667.2234538620. The cubic root of 1201816382 is about 1063.1944638590.

The spelling of 1201816382 in words is "one billion, two hundred one million, eight hundred sixteen thousand, three hundred eighty-two".