1345124461 has 2 divisors, whose sum is σ = 1345124462. Its totient is φ = 1345124460.

The previous prime is 1345124423. The next prime is 1345124467. The reversal of 1345124461 is 1644215431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1063086025 + 282038436 = 32605^2 + 16794^2 .

It is a cyclic number.

It is not a de Polignac number, because 1345124461 - 2¹⁷ = 1344993389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1345124467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672562230 + 672562231.

It is an arithmetic number, because the mean of its divisors is an integer number (672562231).

Almost surely, 2^1345124461 is an apocalyptic number.

It is an amenable number.

1345124461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345124461 is an equidigital number, since it uses as much as digits as its factorization.

1345124461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 31.

The square root of 1345124461 is about 36675.9384474344. The cubic root of 1345124461 is about 1103.8773528795.

Adding to 1345124461 its reverse (1644215431), we get a palindrome (2989339892).

The spelling of 1345124461 in words is "one billion, three hundred forty-five million, one hundred twenty-four thousand, four hundred sixty-one".