1201846645 has 8 divisors (see below), whose sum is σ = 1446374304. Its totient is φ = 958705104.

The previous prime is 1201846631. The next prime is 1201846651. The reversal of 1201846645 is 5466481021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1201846645 - 2¹⁷ = 1201715573 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 344619 + ... + 348088.

It is an arithmetic number, because the mean of its divisors is an integer number (180796788).

Almost surely, 2^1201846645 is an apocalyptic number.

It is an amenable number.

1201846645 is a deficient number, since it is larger than the sum of its proper divisors (244527659).

1201846645 is an equidigital number, since it uses as much as digits as its factorization.

1201846645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693059.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 1201846645 is about 34667.6599296809. The cubic root of 1201846645 is about 1063.2033879022.

The spelling of 1201846645 in words is "one billion, two hundred one million, eight hundred forty-six thousand, six hundred forty-five".