1245245598 has 24 divisors (see below), whose sum is σ = 2840034600. Its totient is φ = 393235344.

The previous prime is 1245245593. The next prime is 1245245621. The reversal of 1245245598 is 8955425421.

1245245598 is a `hidden beast` number, since 1 + 2 + 4 + 52 + 4 + 5 + 598 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1245245591) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1820193 + ... + 1820876.

It is an arithmetic number, because the mean of its divisors is an integer number (118334775).

Almost surely, 2^1245245598 is an apocalyptic number.

1245245598 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1245245598 is an abundant number, since it is smaller than the sum of its proper divisors (1594789002).

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

1245245598 is a wasteful number, since it uses less digits than its factorization.

1245245598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3641096 (or 3641093 counting only the distinct ones).

The product of its digits is 576000, while the sum is 45.

The square root of 1245245598 is about 35288.0376048315. The cubic root of 1245245598 is about 1075.8498699943.

The spelling of 1245245598 in words is "one billion, two hundred forty-five million, two hundred forty-five thousand, five hundred ninety-eight".