1120002045 has 8 divisors (see below), whose sum is σ = 1792003296. Its totient is φ = 597334416.

The previous prime is 1120002001. The next prime is 1120002071. The reversal of 1120002045 is 5402000211.

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

It is not a de Polignac number, because 1120002045 - 2¹⁶ = 1119936509 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 74666803 = 1120002045 / (1 + 1 + 2 + 0 + 0 + 0 + 2 + 0 + 4 + 5).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37333387 + ... + 37333416.

It is an arithmetic number, because the mean of its divisors is an integer number (224000412).

Almost surely, 2^1120002045 is an apocalyptic number.

1120002045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1120002045 is a deficient number, since it is larger than the sum of its proper divisors (672001251).

1120002045 is an equidigital number, since it uses as much as digits as its factorization.

1120002045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74666811.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 1120002045 is about 33466.4316143804. The cubic root of 1120002045 is about 1038.4994524324.

Adding to 1120002045 its reverse (5402000211), we get a palindrome (6522002256).

The spelling of 1120002045 in words is "one billion, one hundred twenty million, two thousand, forty-five".