1194999045 has 16 divisors (see below), whose sum is σ = 1921708800. Its totient is φ = 634096064.

The previous prime is 1194999041. The next prime is 1194999059. The reversal of 1194999045 is 5409994911.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1194999045 - 2² = 1194999041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1194999041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199245 + ... + 205154.

It is an arithmetic number, because the mean of its divisors is an integer number (120106800).

Almost surely, 2^1194999045 is an apocalyptic number.

1194999045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1194999045 is a deficient number, since it is larger than the sum of its proper divisors (726709755).

1194999045 is a wasteful number, since it uses less digits than its factorization.

1194999045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404604.

The product of its (nonzero) digits is 524880, while the sum is 51.

The square root of 1194999045 is about 34568.7582218396. The cubic root of 1194999045 is about 1061.1803171778.

The spelling of 1194999045 in words is "one billion, one hundred ninety-four million, nine hundred ninety-nine thousand, forty-five".