1294674478 has 16 divisors (see below), whose sum is σ = 2053923840. Its totient is φ = 610356600.

The previous prime is 1294674473. The next prime is 1294674503. The reversal of 1294674478 is 8744764921.

It is a super-4 number, since 4×1294674478⁴ (a number of 38 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1294674473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72718 + ... + 88753.

It is an arithmetic number, because the mean of its divisors is an integer number (128370240).

Almost surely, 2^1294674478 is an apocalyptic number.

1294674478 is a deficient number, since it is larger than the sum of its proper divisors (759249362).

1294674478 is a wasteful number, since it uses less digits than its factorization.

1294674478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161703.

The product of its digits is 2709504, while the sum is 52.

The square root of 1294674478 is about 35981.5852624645. The cubic root of 1294674478 is about 1089.9005262307.

The spelling of 1294674478 in words is "one billion, two hundred ninety-four million, six hundred seventy-four thousand, four hundred seventy-eight".