1200989373 has 16 divisors (see below), whose sum is σ = 1701972480. Its totient is φ = 751151664.

The previous prime is 1200989369. The next prime is 1200989393. The reversal of 1200989373 is 3739890021.

It is not a de Polignac number, because 1200989373 - 2² = 1200989369 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200989303) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 96411 + ... + 108152.

It is an arithmetic number, because the mean of its divisors is an integer number (106373280).

Almost surely, 2^1200989373 is an apocalyptic number.

It is an amenable number.

1200989373 is a deficient number, since it is larger than the sum of its proper divisors (500983107).

1200989373 is a wasteful number, since it uses less digits than its factorization.

1200989373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204688.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 1200989373 is about 34655.2935783265. The cubic root of 1200989373 is about 1062.9505349844.

The spelling of 1200989373 in words is "one billion, two hundred million, nine hundred eighty-nine thousand, three hundred seventy-three".