1234143049 has 2 divisors, whose sum is σ = 1234143050. Its totient is φ = 1234143048.

The previous prime is 1234143047. The next prime is 1234143137. The reversal of 1234143049 is 9403414321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1231518649 + 2624400 = 35093^2 + 1620^2 .

It is a cyclic number.

It is not a de Polignac number, because 1234143049 - 2¹ = 1234143047 is a prime.

Together with 1234143047, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1234143049.

It is not a weakly prime, because it can be changed into another prime (1234143047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 617071524 + 617071525.

It is an arithmetic number, because the mean of its divisors is an integer number (617071525).

Almost surely, 2^1234143049 is an apocalyptic number.

It is an amenable number.

1234143049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1234143049 is an equidigital number, since it uses as much as digits as its factorization.

1234143049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 1234143049 is about 35130.3721728080. The cubic root of 1234143049 is about 1072.6429116798.

The spelling of 1234143049 in words is "one billion, two hundred thirty-four million, one hundred forty-three thousand, forty-nine".