1225505246 has 16 divisors (see below), whose sum is σ = 2149724544. Its totient is φ = 513001944.

The previous prime is 1225505191. The next prime is 1225505269. The reversal of 1225505246 is 6425055221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1017260 + ... + 1018463.

It is an arithmetic number, because the mean of its divisors is an integer number (134357784).

Almost surely, 2^1225505246 is an apocalyptic number.

1225505246 is a deficient number, since it is larger than the sum of its proper divisors (924219298).

1225505246 is a wasteful number, since it uses less digits than its factorization.

1225505246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2035775.

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 1225505246 is about 35007.2170559158. The cubic root of 1225505246 is about 1070.1345642625.

The spelling of 1225505246 in words is "one billion, two hundred twenty-five million, five hundred five thousand, two hundred forty-six".