1042981133 has 2 divisors, whose sum is σ = 1042981134. Its totient is φ = 1042981132.

The previous prime is 1042981103. The next prime is 1042981141. The reversal of 1042981133 is 3311892401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1038579529 + 4401604 = 32227^2 + 2098^2 .

It is an emirp because it is prime and its reverse (3311892401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1042981133 - 2⁸ = 1042980877 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1042981133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042981103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521490566 + 521490567.

It is an arithmetic number, because the mean of its divisors is an integer number (521490567).

Almost surely, 2^1042981133 is an apocalyptic number.

It is an amenable number.

1042981133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042981133 is an equidigital number, since it uses as much as digits as its factorization.

1042981133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 1042981133 is about 32295.2184231660. The cubic root of 1042981133 is about 1014.1265453552.

The spelling of 1042981133 in words is "one billion, forty-two million, nine hundred eighty-one thousand, one hundred thirty-three".