1245323398 has 8 divisors (see below), whose sum is σ = 2037801960. Its totient is φ = 566056080.

The previous prime is 1245323383. The next prime is 1245323407. The reversal of 1245323398 is 8933235421.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1245323398.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28302783 + ... + 28302826.

It is an arithmetic number, because the mean of its divisors is an integer number (254725245).

Almost surely, 2^1245323398 is an apocalyptic number.

1245323398 is a deficient number, since it is larger than the sum of its proper divisors (792478562).

1245323398 is a wasteful number, since it uses less digits than its factorization.

1245323398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56605622.

The product of its digits is 155520, while the sum is 40.

The square root of 1245323398 is about 35289.1399441811. The cubic root of 1245323398 is about 1075.8722750462.

The spelling of 1245323398 in words is "one billion, two hundred forty-five million, three hundred twenty-three thousand, three hundred ninety-eight".