1245233461 has 2 divisors, whose sum is σ = 1245233462. Its totient is φ = 1245233460.

The previous prime is 1245233453. The next prime is 1245233467. The reversal of 1245233461 is 1643325421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1227170961 + 18062500 = 35031^2 + 4250^2 .

It is a cyclic number.

It is not a de Polignac number, because 1245233461 - 2³ = 1245233453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1245233467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622616730 + 622616731.

It is an arithmetic number, because the mean of its divisors is an integer number (622616731).

Almost surely, 2^1245233461 is an apocalyptic number.

It is an amenable number.

1245233461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1245233461 is an equidigital number, since it uses as much as digits as its factorization.

1245233461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 31.

The square root of 1245233461 is about 35287.8656339541. The cubic root of 1245233461 is about 1075.8463746644.

Adding to 1245233461 its reverse (1643325421), we get a palindrome (2888558882).

The spelling of 1245233461 in words is "one billion, two hundred forty-five million, two hundred thirty-three thousand, four hundred sixty-one".