1131002045 has 8 divisors (see below), whose sum is σ = 1357453824. Its totient is φ = 904634064.

The previous prime is 1131002011. The next prime is 1131002063. The reversal of 1131002045 is 5402001311.

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

It is a cyclic number.

It is not a de Polignac number, because 1131002045 - 2⁶ = 1131001981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 14072 + ... + 49598.

It is an arithmetic number, because the mean of its divisors is an integer number (169681728).

Almost surely, 2^1131002045 is an apocalyptic number.

It is an amenable number.

1131002045 is a deficient number, since it is larger than the sum of its proper divisors (226451779).

1131002045 is an equidigital number, since it uses as much as digits as its factorization.

1131002045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41899.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1131002045 is about 33630.3738456771. The cubic root of 1131002045 is about 1041.8882255403. Note that the first 3 decimals are identical.

Adding to 1131002045 its reverse (5402001311), we get a palindrome (6533003356).

The spelling of 1131002045 in words is "one billion, one hundred thirty-one million, two thousand, forty-five".