1234969943 has 2 divisors, whose sum is σ = 1234969944. Its totient is φ = 1234969942.

The previous prime is 1234969927. The next prime is 1234969973. The reversal of 1234969943 is 3499694321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1234969943 - 2⁴ = 1234969927 is a prime.

It is a super-2 number, since 2×1234969943² = 3050301520226846498, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1234969891 and 1234969900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1234969973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 617484971 + 617484972.

It is an arithmetic number, because the mean of its divisors is an integer number (617484972).

Almost surely, 2^1234969943 is an apocalyptic number.

1234969943 is a deficient number, since it is larger than the sum of its proper divisors (1).

1234969943 is an equidigital number, since it uses as much as digits as its factorization.

1234969943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1259712, while the sum is 50.

The square root of 1234969943 is about 35142.1391352319. The cubic root of 1234969943 is about 1072.8824203736.

The spelling of 1234969943 in words is "one billion, two hundred thirty-four million, nine hundred sixty-nine thousand, nine hundred forty-three".