1245122453104 has 40 divisors (see below), whose sum is σ = 2478148422080. Its totient is φ = 605607383808.

The previous prime is 1245122453077. The next prime is 1245122453143. The reversal of 1245122453104 is 4013542215421.

It is a self number, because there is not a number n which added to its sum of digits gives 1245122453104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2615497 + ... + 3054679.

It is an arithmetic number, because the mean of its divisors is an integer number (61953710552).

Almost surely, 2^{1245122453104} is an apocalyptic number.

It is an amenable number.

1245122453104 is a deficient number, since it is larger than the sum of its proper divisors (1233025968976).

1245122453104 is a wasteful number, since it uses less digits than its factorization.

1245122453104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444017 (or 444011 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

Adding to 1245122453104 its reverse (4013542215421), we get a palindrome (5258664668525).

The spelling of 1245122453104 in words is "one trillion, two hundred forty-five billion, one hundred twenty-two million, four hundred fifty-three thousand, one hundred four".