1200307885 has 8 divisors (see below), whose sum is σ = 1646136576. Its totient is φ = 823068240.

The previous prime is 1200307873. The next prime is 1200307939. The reversal of 1200307885 is 5887030021.

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

It is not a de Polignac number, because 1200307885 - 2⁹ = 1200307373 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1200307885.

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, 17147221 + ... + 17147290.

It is an arithmetic number, because the mean of its divisors is an integer number (205767072).

Almost surely, 2^1200307885 is an apocalyptic number.

It is an amenable number.

1200307885 is a deficient number, since it is larger than the sum of its proper divisors (445828691).

1200307885 is an equidigital number, since it uses as much as digits as its factorization.

1200307885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34294523.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 1200307885 is about 34645.4598035587. The cubic root of 1200307885 is about 1062.7494438093.

The spelling of 1200307885 in words is "one billion, two hundred million, three hundred seven thousand, eight hundred eighty-five".