1307445003 has 16 divisors (see below), whose sum is σ = 1945002400. Its totient is φ = 868008960.

The previous prime is 1307444989. The next prime is 1307445037. The reversal of 1307445003 is 3005447031.

It is not a de Polignac number, because 1307445003 - 2⁶ = 1307444939 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1307445103) 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, 93958 + ... + 106971.

It is an arithmetic number, because the mean of its divisors is an integer number (121562650).

Almost surely, 2^1307445003 is an apocalyptic number.

1307445003 is a deficient number, since it is larger than the sum of its proper divisors (637557397).

1307445003 is a wasteful number, since it uses less digits than its factorization.

1307445003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201179 (or 201173 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 1307445003 is about 36158.6089749039. The cubic root of 1307445003 is about 1093.4723602972.

The spelling of 1307445003 in words is "one billion, three hundred seven million, four hundred forty-five thousand, three".