1001200994 has 16 divisors (see below), whose sum is σ = 1582319232. Its totient is φ = 474184128.

The previous prime is 1001200969. The next prime is 1001200999. The reversal of 1001200994 is 4990021001.

It is not an unprimeable number, because it can be changed into a prime (1001200999) 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 7 ways as a sum of consecutive naturals, for example, 100919 + ... + 110394.

It is an arithmetic number, because the mean of its divisors is an integer number (98894952).

Almost surely, 2^1001200994 is an apocalyptic number.

1001200994 is a deficient number, since it is larger than the sum of its proper divisors (581118238).

1001200994 is a wasteful number, since it uses less digits than its factorization.

1001200994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211441.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 1001200994 is about 31641.7602860524. The cubic root of 1001200994 is about 1000.4001711750.

Adding to 1001200994 its reverse (4990021001), we get a palindrome (5991221995).

The spelling of 1001200994 in words is "one billion, one million, two hundred thousand, nine hundred ninety-four".