1245130198 has 8 divisors (see below), whose sum is σ = 2011364208. Its totient is φ = 574675464.

The previous prime is 1245130181. The next prime is 1245130207. The reversal of 1245130198 is 8910315421.

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

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 3 ways as a sum of consecutive naturals, for example, 23944786 + ... + 23944837.

It is an arithmetic number, because the mean of its divisors is an integer number (251420526).

Almost surely, 2^1245130198 is an apocalyptic number.

1245130198 is a deficient number, since it is larger than the sum of its proper divisors (766234010).

1245130198 is a wasteful number, since it uses less digits than its factorization.

1245130198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47889638.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 1245130198 is about 35286.4024519361. The cubic root of 1245130198 is about 1075.8166350751.

The spelling of 1245130198 in words is "one billion, two hundred forty-five million, one hundred thirty thousand, one hundred ninety-eight".