1122350947 has 2 divisors, whose sum is σ = 1122350948. Its totient is φ = 1122350946.

The previous prime is 1122350921. The next prime is 1122351019. The reversal of 1122350947 is 7490532211.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1122350947 - 2¹⁹ = 1121826659 is a prime.

It is not a weakly prime, because it can be changed into another prime (1122350347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561175473 + 561175474.

It is an arithmetic number, because the mean of its divisors is an integer number (561175474).

Almost surely, 2^1122350947 is an apocalyptic number.

1122350947 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122350947 is an equidigital number, since it uses as much as digits as its factorization.

1122350947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 1122350947 is about 33501.5066377618. The cubic root of 1122350947 is about 1039.2249362695.

The spelling of 1122350947 in words is "one billion, one hundred twenty-two million, three hundred fifty thousand, nine hundred forty-seven".