1245424255 has 16 divisors (see below), whose sum is σ = 1615690080. Its totient is φ = 918387072.

The previous prime is 1245424249. The next prime is 1245424273. The reversal of 1245424255 is 5524245421.

It is a cyclic number.

It is not a de Polignac number, because 1245424255 - 2⁷ = 1245424127 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1245424255.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173644 + ... + 180673.

It is an arithmetic number, because the mean of its divisors is an integer number (100980630).

Almost surely, 2^1245424255 is an apocalyptic number.

1245424255 is a deficient number, since it is larger than the sum of its proper divisors (370265825).

1245424255 is a wasteful number, since it uses less digits than its factorization.

1245424255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354378.

The product of its digits is 64000, while the sum is 34.

The square root of 1245424255 is about 35290.5689242891. The cubic root of 1245424255 is about 1075.9013187256.

Adding to 1245424255 its reverse (5524245421), we get a palindrome (6769669676).

The spelling of 1245424255 in words is "one billion, two hundred forty-five million, four hundred twenty-four thousand, two hundred fifty-five".