1298547444 has 12 divisors (see below), whose sum is σ = 3029944064. Its totient is φ = 432849144.

The previous prime is 1298547427. The next prime is 1298547451. The reversal of 1298547444 is 4447458921.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1298547393 and 1298547402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54106132 + ... + 54106155.

Almost surely, 2^1298547444 is an apocalyptic number.

It is an amenable number.

1298547444 is an abundant number, since it is smaller than the sum of its proper divisors (1731396620).

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

1298547444 is a wasteful number, since it uses less digits than its factorization.

1298547444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108212294 (or 108212292 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 48.

The square root of 1298547444 is about 36035.3637972478. The cubic root of 1298547444 is about 1090.9862420108.

The spelling of 1298547444 in words is "one billion, two hundred ninety-eight million, five hundred forty-seven thousand, four hundred forty-four".