1121370743 has 2 divisors, whose sum is σ = 1121370744. Its totient is φ = 1121370742.

The previous prime is 1121370713. The next prime is 1121370749. The reversal of 1121370743 is 3470731211.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1121370743 - 2⁸ = 1121370487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121370749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560685371 + 560685372.

It is an arithmetic number, because the mean of its divisors is an integer number (560685372).

Almost surely, 2^1121370743 is an apocalyptic number.

1121370743 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121370743 is an equidigital number, since it uses as much as digits as its factorization.

1121370743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 1121370743 is about 33486.8741897478. The cubic root of 1121370743 is about 1038.9223128247.

The spelling of 1121370743 in words is "one billion, one hundred twenty-one million, three hundred seventy thousand, seven hundred forty-three".