1049125843 has 2 divisors, whose sum is σ = 1049125844. Its totient is φ = 1049125842.

The previous prime is 1049125807. The next prime is 1049125849. The reversal of 1049125843 is 3485219401.

It is a strong prime.

It is an emirp because it is prime and its reverse (3485219401) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1049125843 is a prime.

It is a super-2 number, since 2×1049125843² = 2201330068900921298, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1049125849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 524562921 + 524562922.

It is an arithmetic number, because the mean of its divisors is an integer number (524562922).

Almost surely, 2^1049125843 is an apocalyptic number.

1049125843 is a deficient number, since it is larger than the sum of its proper divisors (1).

1049125843 is an equidigital number, since it uses as much as digits as its factorization.

1049125843 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 1049125843 is about 32390.2121481166. The cubic root of 1049125843 is about 1016.1142181897.

The spelling of 1049125843 in words is "one billion, forty-nine million, one hundred twenty-five thousand, eight hundred forty-three".