1225984254844 has 24 divisors (see below), whose sum is σ = 2179194348800. Its totient is φ = 603404184240.

The previous prime is 1225984254823. The next prime is 1225984254899. The reversal of 1225984254844 is 4484524895221.

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, 5755974 + ... + 5965165.

Almost surely, 2^{1225984254844} is an apocalyptic number.

It is an amenable number.

1225984254844 is a deficient number, since it is larger than the sum of its proper divisors (953210093956).

1225984254844 is a wasteful number, since it uses less digits than its factorization.

1225984254844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11721553 (or 11721551 counting only the distinct ones).

The product of its digits is 29491200, while the sum is 58.

The spelling of 1225984254844 in words is "one trillion, two hundred twenty-five billion, nine hundred eighty-four million, two hundred fifty-four thousand, eight hundred forty-four".