1298934144 has 96 divisors (see below), whose sum is σ = 3876348840. Its totient is φ = 432967680.

The previous prime is 1298934103. The next prime is 1298934151. The reversal of 1298934144 is 4414398921.

It is a tau number, because it is divible by the number of its divisors (96).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 1298934144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10224 + ... + 51984.

Almost surely, 2^1298934144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1298934144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1938174420).

1298934144 is an abundant number, since it is smaller than the sum of its proper divisors (2577414696).

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

1298934144 is an frugal number, since it uses more digits than its factorization.

1298934144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41790 (or 41766 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 1298934144 is about 36040.7289604414. The cubic root of 1298934144 is about 1091.0945277497.

The spelling of 1298934144 in words is "one billion, two hundred ninety-eight million, nine hundred thirty-four thousand, one hundred forty-four".