1294492486 has 24 divisors (see below), whose sum is σ = 2356968240. Its totient is φ = 530660592.

The previous prime is 1294492483. The next prime is 1294492487. The reversal of 1294492486 is 6842944921.

It is a happy number.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1294492483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 284901 + ... + 289408.

It is an arithmetic number, because the mean of its divisors is an integer number (98207010).

Almost surely, 2^1294492486 is an apocalyptic number.

1294492486 is a deficient number, since it is larger than the sum of its proper divisors (1062475754).

1294492486 is a wasteful number, since it uses less digits than its factorization.

1294492486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574348 (or 574341 counting only the distinct ones).

The product of its digits is 995328, while the sum is 49.

The square root of 1294492486 is about 35979.0562133028. The cubic root of 1294492486 is about 1089.8494548418.

The spelling of 1294492486 in words is "one billion, two hundred ninety-four million, four hundred ninety-two thousand, four hundred eighty-six".