1151122117 has 2 divisors, whose sum is σ = 1151122118. Its totient is φ = 1151122116.

The previous prime is 1151122111. The next prime is 1151122123. The reversal of 1151122117 is 7112211511.

It is a balanced prime because it is at equal distance from previous prime (1151122111) and next prime (1151122123).

It can be written as a sum of positive squares in only one way, i.e., 1041417441 + 109704676 = 32271^2 + 10474^2 .

It is a cyclic number.

It is not a de Polignac number, because 1151122117 - 2²⁷ = 1016904389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1151122111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575561058 + 575561059.

It is an arithmetic number, because the mean of its divisors is an integer number (575561059).

Almost surely, 2^1151122117 is an apocalyptic number.

It is an amenable number.

1151122117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151122117 is an equidigital number, since it uses as much as digits as its factorization.

1151122117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 140, while the sum is 22.

The square root of 1151122117 is about 33928.1905942536. The cubic root of 1151122117 is about 1048.0302047920.

Adding to 1151122117 its reverse (7112211511), we get a palindrome (8263333628).

The spelling of 1151122117 in words is "one billion, one hundred fifty-one million, one hundred twenty-two thousand, one hundred seventeen".