1294420512 has 192 divisors, whose sum is σ = 4340625408. Its totient is φ = 327936000.

The previous prime is 1294420447. The next prime is 1294420541. The reversal of 1294420512 is 2150244921.

It is a self number, because there is not a number n which added to its sum of digits gives 1294420512.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 300937 + ... + 305207.

It is an arithmetic number, because the mean of its divisors is an integer number (22607424).

Almost surely, 2^1294420512 is an apocalyptic number.

1294420512 is a gapful number since it is divisible by the number (12) 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 1294420512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2170312704).

1294420512 is an abundant number, since it is smaller than the sum of its proper divisors (3046204896).

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

1294420512 is a wasteful number, since it uses less digits than its factorization.

1294420512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4343 (or 4335 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 1294420512 is about 35978.0559786101. The cubic root of 1294420512 is about 1089.8292558631.

The spelling of 1294420512 in words is "one billion, two hundred ninety-four million, four hundred twenty thousand, five hundred twelve".