1073211642 has 24 divisors (see below), whose sum is σ = 2405475540. Its totient is φ = 345401280.

The previous prime is 1073211641. The next prime is 1073211679. The reversal of 1073211642 is 2461123701.

1073211642 is a `hidden beast` number, since 1 + 0 + 7 + 3 + 2 + 11 + 642 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1067917041 + 5294601 = 32679^2 + 2301^2 .

It is not an unprimeable number, because it can be changed into a prime (1073211641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1027459 + ... + 1028502.

Almost surely, 2^1073211642 is an apocalyptic number.

1073211642 is an abundant number, since it is smaller than the sum of its proper divisors (1332263898).

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

1073211642 is a wasteful number, since it uses less digits than its factorization.

1073211642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2055998 (or 2055995 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 1073211642 is about 32759.9090658079. The cubic root of 1073211642 is about 1023.8314319335.

The spelling of 1073211642 in words is "one billion, seventy-three million, two hundred eleven thousand, six hundred forty-two".