1047004245 has 64 divisors (see below), whose sum is σ = 2252413440. Its totient is φ = 450468864.

The previous prime is 1047004237. The next prime is 1047004267. The reversal of 1047004245 is 5424007401.

It is not a de Polignac number, because 1047004245 - 2³ = 1047004237 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16522 + ... + 48651.

It is an arithmetic number, because the mean of its divisors is an integer number (35193960).

Almost surely, 2^1047004245 is an apocalyptic number.

1047004245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1047004245 is an abundant number, since it is smaller than the sum of its proper divisors (1205409195).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1047004245 is a wasteful number, since it uses less digits than its factorization.

1047004245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65211 (or 65205 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 1047004245 is about 32357.4449702074. Note that the first 3 decimals coincide. The cubic root of 1047004245 is about 1015.4288092454.

The spelling of 1047004245 in words is "one billion, forty-seven million, four thousand, two hundred forty-five".