1042213873 has 2 divisors, whose sum is σ = 1042213874. Its totient is φ = 1042213872.

The previous prime is 1042213871. The next prime is 1042213901. The reversal of 1042213873 is 3783122401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 941753344 + 100460529 = 30688^2 + 10023^2 .

It is a cyclic number.

It is not a de Polignac number, because 1042213873 - 2¹ = 1042213871 is a prime.

Together with 1042213871, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1042213871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521106936 + 521106937.

It is an arithmetic number, because the mean of its divisors is an integer number (521106937).

Almost surely, 2^1042213873 is an apocalyptic number.

It is an amenable number.

1042213873 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042213873 is an equidigital number, since it uses as much as digits as its factorization.

1042213873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 1042213873 is about 32283.3373894336. The cubic root of 1042213873 is about 1013.8778065599.

The spelling of 1042213873 in words is "one billion, forty-two million, two hundred thirteen thousand, eight hundred seventy-three".