1245824055 has 24 divisors (see below), whose sum is σ = 2467918752. Its totient is φ = 569519424.

The previous prime is 1245824029. The next prime is 1245824081. The reversal of 1245824055 is 5504285421.

1245824055 is a `hidden beast` number, since 1 + 24 + 582 + 4 + 0 + 55 = 666.

It is an interprime number because it is at equal distance from previous prime (1245824029) and next prime (1245824081).

It is not a de Polignac number, because 1245824055 - 2⁷ = 1245823927 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 1977184 + ... + 1977813.

It is an arithmetic number, because the mean of its divisors is an integer number (102829948).

Almost surely, 2^1245824055 is an apocalyptic number.

1245824055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1245824055 is a deficient number, since it is larger than the sum of its proper divisors (1222094697).

1245824055 is a wasteful number, since it uses less digits than its factorization.

1245824055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3955015 (or 3955012 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 36.

The square root of 1245824055 is about 35296.2328726452. The cubic root of 1245824055 is about 1076.0164332675.

The spelling of 1245824055 in words is "one billion, two hundred forty-five million, eight hundred twenty-four thousand, fifty-five".