1225505010 has 32 divisors (see below), whose sum is σ = 3114225792. Its totient is φ = 307577600.

The previous prime is 1225504999. The next prime is 1225505033. The reversal of 1225505010 is 105055221.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1200966 + ... + 1201985.

It is an arithmetic number, because the mean of its divisors is an integer number (97319556).

Almost surely, 2^1225505010 is an apocalyptic number.

1225505010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1225505010 is an abundant number, since it is smaller than the sum of its proper divisors (1888720782).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1225505010 is a wasteful number, since it uses less digits than its factorization.

1225505010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2402978.

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 1225505010 is about 35007.2136851821. The cubic root of 1225505010 is about 1070.1344955692.

The spelling of 1225505010 in words is "one billion, two hundred twenty-five million, five hundred five thousand, ten".