1259964903120 has 320 divisors, whose sum is σ = 4900710905856. Its totient is φ = 260142704640.

The previous prime is 1259964903091. The next prime is 1259964903137. The reversal of 1259964903120 is 213094699521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2684227 + ... + 3118493.

Almost surely, 2^{1259964903120} is an apocalyptic number.

1259964903120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1259964903120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2450355452928).

1259964903120 is an abundant number, since it is smaller than the sum of its proper divisors (3640746002736).

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

1259964903120 is a wasteful number, since it uses less digits than its factorization.

1259964903120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434458 (or 434452 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 51.

The spelling of 1259964903120 in words is "one trillion, two hundred fifty-nine billion, nine hundred sixty-four million, nine hundred three thousand, one hundred twenty".