1219088825 has 6 divisors (see below), whose sum is σ = 1511670174. Its totient is φ = 975271040.

The previous prime is 1219088821. The next prime is 1219088833. The reversal of 1219088825 is 5288809121.

It can be written as a sum of positive squares in 3 ways, for example, as 241081 + 1218847744 = 491^2 + 34912^2 .

It is not a de Polignac number, because 1219088825 - 2² = 1219088821 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1219088821) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24381752 + ... + 24381801.

It is an arithmetic number, because the mean of its divisors is an integer number (251945029).

Almost surely, 2^1219088825 is an apocalyptic number.

It is an amenable number.

1219088825 is a deficient number, since it is larger than the sum of its proper divisors (292581349).

1219088825 is an equidigital number, since it uses as much as digits as its factorization.

1219088825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48763563 (or 48763558 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 44.

The square root of 1219088825 is about 34915.4525246344. The cubic root of 1219088825 is about 1068.2636481641.

The spelling of 1219088825 in words is "one billion, two hundred nineteen million, eighty-eight thousand, eight hundred twenty-five".