1234266749 has 2 divisors, whose sum is σ = 1234266750. Its totient is φ = 1234266748.

The previous prime is 1234266743. The next prime is 1234266821. The reversal of 1234266749 is 9476624321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1224300100 + 9966649 = 34990^2 + 3157^2 .

It is a cyclic number.

It is not a de Polignac number, because 1234266749 - 2⁸ = 1234266493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1234266743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 617133374 + 617133375.

It is an arithmetic number, because the mean of its divisors is an integer number (617133375).

Almost surely, 2^1234266749 is an apocalyptic number.

It is an amenable number.

1234266749 is a deficient number, since it is larger than the sum of its proper divisors (1).

1234266749 is an equidigital number, since it uses as much as digits as its factorization.

1234266749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 44.

The square root of 1234266749 is about 35132.1327135146. The cubic root of 1234266749 is about 1072.6787480159.

The spelling of 1234266749 in words is "one billion, two hundred thirty-four million, two hundred sixty-six thousand, seven hundred forty-nine".