1294403420 has 12 divisors (see below), whose sum is σ = 2718247224. Its totient is φ = 517761360.

The previous prime is 1294403417. The next prime is 1294403423. The reversal of 1294403420 is 243044921.

It is an interprime number because it is at equal distance from previous prime (1294403417) and next prime (1294403423).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1294403423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32360066 + ... + 32360105.

It is an arithmetic number, because the mean of its divisors is an integer number (226520602).

Almost surely, 2^1294403420 is an apocalyptic number.

1294403420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1294403420 is an abundant number, since it is smaller than the sum of its proper divisors (1423843804).

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

1294403420 is a wasteful number, since it uses less digits than its factorization.

1294403420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64720180 (or 64720178 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 1294403420 is about 35977.8184441469. The cubic root of 1294403420 is about 1089.8244590078.

The spelling of 1294403420 in words is "one billion, two hundred ninety-four million, four hundred three thousand, four hundred twenty".