1225595895 has 8 divisors (see below), whose sum is σ = 1960953456. Its totient is φ = 653651136.

The previous prime is 1225595801. The next prime is 1225595897. The reversal of 1225595895 is 5985955221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1225595895 - 2⁸ = 1225595639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225595897) by changing a digit.

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, 40853182 + ... + 40853211.

It is an arithmetic number, because the mean of its divisors is an integer number (245119182).

Almost surely, 2^1225595895 is an apocalyptic number.

1225595895 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1225595895 is a deficient number, since it is larger than the sum of its proper divisors (735357561).

1225595895 is an equidigital number, since it uses as much as digits as its factorization.

1225595895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81706401.

The product of its digits is 1620000, while the sum is 51.

The square root of 1225595895 is about 35008.5117507157. The cubic root of 1225595895 is about 1070.1609490908.

The spelling of 1225595895 in words is "one billion, two hundred twenty-five million, five hundred ninety-five thousand, eight hundred ninety-five".