1073868242 has 12 divisors (see below), whose sum is σ = 1655518410. Its totient is φ = 522421056.

The previous prime is 1073868233. The next prime is 1073868247. The reversal of 1073868242 is 2428683701.

It can be written as a sum of positive squares in 3 ways, for example, as 1072497001 + 1371241 = 32749^2 + 1171^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1073868242.

It is not an unprimeable number, because it can be changed into a prime (1073868247) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 193367 + ... + 198842.

Almost surely, 2^1073868242 is an apocalyptic number.

1073868242 is a deficient number, since it is larger than the sum of its proper divisors (581650168).

1073868242 is an equidigital number, since it uses as much as digits as its factorization.

1073868242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392285 (or 392248 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 1073868242 is about 32769.9289288213. The cubic root of 1073868242 is about 1024.0401856229.

The spelling of 1073868242 in words is "one billion, seventy-three million, eight hundred sixty-eight thousand, two hundred forty-two".