1294380000 has 600 divisors, whose sum is σ = 5143878432. Its totient is φ = 317952000.

The previous prime is 1294379981. The next prime is 1294380013. The reversal of 1294380000 is 834921.

It is a tau number, because it is divible by the number of its divisors (600).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 99 ways as a sum of consecutive naturals, for example, 27539977 + ... + 27540023.

It is a vampire number, since it can be written as 14382 ⋅ 90000 (with its own digits).

Almost surely, 2^1294380000 is an apocalyptic number.

1294380000 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 1294380000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2571939216).

1294380000 is an abundant number, since it is smaller than the sum of its proper divisors (3849498432).

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

1294380000 is an equidigital number, since it uses as much as digits as its factorization.

1294380000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106 (or 74 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 1294380000 is about 35977.4929643520. The cubic root of 1294380000 is about 1089.8178861361.

The spelling of 1294380000 in words is "one billion, two hundred ninety-four million, three hundred eighty thousand".