1225763247242 has 16 divisors (see below), whose sum is σ = 2049263634240. Its totient is φ = 546470301888.

The previous prime is 1225763247229. The next prime is 1225763247251. The reversal of 1225763247242 is 2427423675221.

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, 948732518 + ... + 948733809.

It is an arithmetic number, because the mean of its divisors is an integer number (128078977140).

Almost surely, 2^{1225763247242} is an apocalyptic number.

1225763247242 is a deficient number, since it is larger than the sum of its proper divisors (823500386998).

1225763247242 is a wasteful number, since it uses less digits than its factorization.

1225763247242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1897466365.

The product of its digits is 2257920, while the sum is 47.

The spelling of 1225763247242 in words is "one trillion, two hundred twenty-five billion, seven hundred sixty-three million, two hundred forty-seven thousand, two hundred forty-two".