1121170751 has 2 divisors, whose sum is σ = 1121170752. Its totient is φ = 1121170750.

The previous prime is 1121170733. The next prime is 1121170793. The reversal of 1121170751 is 1570711211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1121170751 - 2²² = 1116976447 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1121170751.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121173751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560585375 + 560585376.

It is an arithmetic number, because the mean of its divisors is an integer number (560585376).

Almost surely, 2^1121170751 is an apocalyptic number.

1121170751 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121170751 is an equidigital number, since it uses as much as digits as its factorization.

1121170751 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 490, while the sum is 26.

The square root of 1121170751 is about 33483.8879313619. The cubic root of 1121170751 is about 1038.8605466022.

Adding to 1121170751 its reverse (1570711211), we get a palindrome (2691881962).

The spelling of 1121170751 in words is "one billion, one hundred twenty-one million, one hundred seventy thousand, seven hundred fifty-one".