1122000947 has 2 divisors, whose sum is σ = 1122000948. Its totient is φ = 1122000946.

The previous prime is 1122000917. The next prime is 1122000953. The reversal of 1122000947 is 7490002211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1122000947 - 2¹⁶ = 1121935411 is a prime.

It is a super-2 number, since 2×1122000947² = 2517772250137793618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1122000907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561000473 + 561000474.

It is an arithmetic number, because the mean of its divisors is an integer number (561000474).

Almost surely, 2^1122000947 is an apocalyptic number.

1122000947 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122000947 is an equidigital number, since it uses as much as digits as its factorization.

1122000947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 1122000947 is about 33496.2825847884. The cubic root of 1122000947 is about 1039.1168991936.

The spelling of 1122000947 in words is "one billion, one hundred twenty-two million, nine hundred forty-seven", and thus it is an aban number.