1121746693 has 2 divisors, whose sum is σ = 1121746694. Its totient is φ = 1121746692.

The previous prime is 1121746673. The next prime is 1121746711. The reversal of 1121746693 is 3966471211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1109023204 + 12723489 = 33302^2 + 3567^2 .

It is an emirp because it is prime and its reverse (3966471211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121746693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121746663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560873346 + 560873347.

It is an arithmetic number, because the mean of its divisors is an integer number (560873347).

Almost surely, 2^1121746693 is an apocalyptic number.

It is an amenable number.

1121746693 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121746693 is an equidigital number, since it uses as much as digits as its factorization.

1121746693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 40.

The square root of 1121746693 is about 33492.4871127840. The cubic root of 1121746693 is about 1039.0384026505.

The spelling of 1121746693 in words is "one billion, one hundred twenty-one million, seven hundred forty-six thousand, six hundred ninety-three".