1245779124468 has 48 divisors (see below), whose sum is σ = 2938278120960. Its totient is φ = 410774297184.

The previous prime is 1245779124467. The next prime is 1245779124481. The reversal of 1245779124468 is 8644219775421.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1245779124467) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 565423 + ... + 1676681.

It is an arithmetic number, because the mean of its divisors is an integer number (61214127520).

Almost surely, 2^{1245779124468} is an apocalyptic number.

It is an amenable number.

1245779124468 is an abundant number, since it is smaller than the sum of its proper divisors (1692498996492).

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

1245779124468 is a wasteful number, since it uses less digits than its factorization.

1245779124468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112276 (or 1112274 counting only the distinct ones).

The product of its digits is 27095040, while the sum is 60.

The spelling of 1245779124468 in words is "one trillion, two hundred forty-five billion, seven hundred seventy-nine million, one hundred twenty-four thousand, four hundred sixty-eight".