1294434036 has 72 divisors (see below), whose sum is σ = 3751651904. Its totient is φ = 368634240.

The previous prime is 1294433971. The next prime is 1294434049. The reversal of 1294434036 is 6304344921.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70671 + ... + 87081.

Almost surely, 2^1294434036 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1294434036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1875825952).

1294434036 is an abundant number, since it is smaller than the sum of its proper divisors (2457217868).

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

1294434036 is a wasteful number, since it uses less digits than its factorization.

1294434036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16741 (or 16736 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 1294434036 is about 35978.2439260173. The cubic root of 1294434036 is about 1089.8330513323.

Adding to 1294434036 its reverse (6304344921), we get a palindrome (7598778957).

The spelling of 1294434036 in words is "one billion, two hundred ninety-four million, four hundred thirty-four thousand, thirty-six".