1121754811 has 2 divisors, whose sum is σ = 1121754812. Its totient is φ = 1121754810.

The previous prime is 1121754797. The next prime is 1121754833. The reversal of 1121754811 is 1184571211.

It is a weak prime.

It is an emirp because it is prime and its reverse (1184571211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1121754811 - 2⁵ = 1121754779 is a prime.

It is not a weakly prime, because it can be changed into another prime (1121754511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560877405 + 560877406.

It is an arithmetic number, because the mean of its divisors is an integer number (560877406).

Almost surely, 2^1121754811 is an apocalyptic number.

1121754811 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121754811 is an equidigital number, since it uses as much as digits as its factorization.

1121754811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2240, while the sum is 31.

The square root of 1121754811 is about 33492.6083039228. The cubic root of 1121754811 is about 1039.0409091265.

The spelling of 1121754811 in words is "one billion, one hundred twenty-one million, seven hundred fifty-four thousand, eight hundred eleven".