1125321469 has 2 divisors, whose sum is σ = 1125321470. Its totient is φ = 1125321468.

The previous prime is 1125321403. The next prime is 1125321479. The reversal of 1125321469 is 9641235211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 598389444 + 526932025 = 24462^2 + 22955^2 .

It is a cyclic number.

It is not a de Polignac number, because 1125321469 - 2⁹ = 1125320957 is a prime.

It is a super-2 number, since 2×1125321469² = 2532696817184635922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1125321479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562660734 + 562660735.

It is an arithmetic number, because the mean of its divisors is an integer number (562660735).

Almost surely, 2^1125321469 is an apocalyptic number.

It is an amenable number.

1125321469 is a deficient number, since it is larger than the sum of its proper divisors (1).

1125321469 is an equidigital number, since it uses as much as digits as its factorization.

1125321469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 34.

The square root of 1125321469 is about 33545.8114971154. The cubic root of 1125321469 is about 1040.1409661607.

The spelling of 1125321469 in words is "one billion, one hundred twenty-five million, three hundred twenty-one thousand, four hundred sixty-nine".