1223477071 has 2 divisors, whose sum is σ = 1223477072. Its totient is φ = 1223477070.

The previous prime is 1223476909. The next prime is 1223477083. The reversal of 1223477071 is 1707743221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1223477071 - 2¹³ = 1223468879 is a prime.

It is a super-2 number, since 2×1223477071² = 2993792286525478082, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1223477371) 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, 611738535 + 611738536.

It is an arithmetic number, because the mean of its divisors is an integer number (611738536).

Almost surely, 2^1223477071 is an apocalyptic number.

1223477071 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223477071 is an equidigital number, since it uses as much as digits as its factorization.

1223477071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16464, while the sum is 34.

The square root of 1223477071 is about 34978.2371053774. The cubic root of 1223477071 is about 1069.5438912574.

The spelling of 1223477071 in words is "one billion, two hundred twenty-three million, four hundred seventy-seven thousand, seventy-one".