1245664032603 has 8 divisors (see below), whose sum is σ = 1758584516688. Its totient is φ = 781593118464.

The previous prime is 1245664032593. The next prime is 1245664032631. The reversal of 1245664032603 is 3062304665421.

It is a happy number.

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

It is not a de Polignac number, because 1245664032603 - 2⁶ = 1245664032539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1245664032643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12212392426 + ... + 12212392527.

It is an arithmetic number, because the mean of its divisors is an integer number (219823064586).

Almost surely, 2^{1245664032603} is an apocalyptic number.

1245664032603 is a deficient number, since it is larger than the sum of its proper divisors (512920484085).

1245664032603 is a wasteful number, since it uses less digits than its factorization.

1245664032603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24424784973.

The product of its (nonzero) digits is 622080, while the sum is 42.

The spelling of 1245664032603 in words is "one trillion, two hundred forty-five billion, six hundred sixty-four million, thirty-two thousand, six hundred three".