1294494020 has 12 divisors (see below), whose sum is σ = 2718437484. Its totient is φ = 517797600.

The previous prime is 1294494017. The next prime is 1294494037. The reversal of 1294494020 is 204944921.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 960628036 + 333865984 = 30994^2 + 18272^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32362331 + ... + 32362370.

It is an arithmetic number, because the mean of its divisors is an integer number (226536457).

Almost surely, 2^1294494020 is an apocalyptic number.

1294494020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1294494020 is an abundant number, since it is smaller than the sum of its proper divisors (1423943464).

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

1294494020 is a wasteful number, since it uses less digits than its factorization.

1294494020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64724710 (or 64724708 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 1294494020 is about 35979.0775312542. The cubic root of 1294494020 is about 1089.8498853396.

The spelling of 1294494020 in words is "one billion, two hundred ninety-four million, four hundred ninety-four thousand, twenty".