1225795490 has 32 divisors (see below), whose sum is σ = 2356162560. Its totient is φ = 458136000.

The previous prime is 1225795471. The next prime is 1225795517. The reversal of 1225795490 is 945975221.

1225795490 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59186 + ... + 77165.

It is an arithmetic number, because the mean of its divisors is an integer number (73630080).

Almost surely, 2^1225795490 is an apocalyptic number.

1225795490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1225795490 is a deficient number, since it is larger than the sum of its proper divisors (1130367070).

1225795490 is a wasteful number, since it uses less digits than its factorization.

1225795490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136418.

The product of its (nonzero) digits is 226800, while the sum is 44.

The square root of 1225795490 is about 35011.3622985453. The cubic root of 1225795490 is about 1070.2190397935.

The spelling of 1225795490 in words is "one billion, two hundred twenty-five million, seven hundred ninety-five thousand, four hundred ninety".