1298964480 has 336 divisors, whose sum is σ = 4685275872. Its totient is φ = 304742400.

The previous prime is 1298964479. The next prime is 1298964481. The reversal of 1298964480 is 844698921.

It is an interprime number because it is at equal distance from previous prime (1298964479) and next prime (1298964481).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1298964481) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41902065 + ... + 41902095.

Almost surely, 2^1298964480 is an apocalyptic number.

1298964480 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 1298964480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2342637936).

1298964480 is an abundant number, since it is smaller than the sum of its proper divisors (3386311392).

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

1298964480 is an equidigital number, since it uses as much as digits as its factorization.

1298964480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107 (or 52 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 51.

The square root of 1298964480 is about 36041.1498151765. The cubic root of 1298964480 is about 1091.1030216845.

The spelling of 1298964480 in words is "one billion, two hundred ninety-eight million, nine hundred sixty-four thousand, four hundred eighty".