1131214417 has 2 divisors, whose sum is σ = 1131214418. Its totient is φ = 1131214416.

The previous prime is 1131214393. The next prime is 1131214421. The reversal of 1131214417 is 7144121311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 991998016 + 139216401 = 31496^2 + 11799^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1131214417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1131214391 and 1131214400.

It is not a weakly prime, because it can be changed into another prime (1131214517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565607208 + 565607209.

It is an arithmetic number, because the mean of its divisors is an integer number (565607209).

Almost surely, 2^1131214417 is an apocalyptic number.

It is an amenable number.

1131214417 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131214417 is an equidigital number, since it uses as much as digits as its factorization.

1131214417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 672, while the sum is 25.

The square root of 1131214417 is about 33633.5311408124. The cubic root of 1131214417 is about 1041.9534343933.

Adding to 1131214417 its reverse (7144121311), we get a palindrome (8275335728).

The spelling of 1131214417 in words is "one billion, one hundred thirty-one million, two hundred fourteen thousand, four hundred seventeen".