1245232451 has 2 divisors, whose sum is σ = 1245232452. Its totient is φ = 1245232450.

The previous prime is 1245232441. The next prime is 1245232501. The reversal of 1245232451 is 1542325421.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1245232451 is a prime.

It is not a weakly prime, because it can be changed into another prime (1245232411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622616225 + 622616226.

It is an arithmetic number, because the mean of its divisors is an integer number (622616226).

Almost surely, 2^1245232451 is an apocalyptic number.

1245232451 is a deficient number, since it is larger than the sum of its proper divisors (1).

1245232451 is an equidigital number, since it uses as much as digits as its factorization.

1245232451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9600, while the sum is 29.

The square root of 1245232451 is about 35287.8513230828. The cubic root of 1245232451 is about 1075.8460837939.

Adding to 1245232451 its reverse (1542325421), we get a palindrome (2787557872).

The spelling of 1245232451 in words is "one billion, two hundred forty-five million, two hundred thirty-two thousand, four hundred fifty-one".