1092878425 has 6 divisors (see below), whose sum is σ = 1355169278. Its totient is φ = 874302720.

The previous prime is 1092878399. The next prime is 1092878429. The reversal of 1092878425 is 5248782901.

It can be written as a sum of positive squares in 3 ways, for example, as 158231241 + 934647184 = 12579^2 + 30572^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1092878425 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1092878429) 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, 21857544 + ... + 21857593.

Almost surely, 2^1092878425 is an apocalyptic number.

It is an amenable number.

1092878425 is a deficient number, since it is larger than the sum of its proper divisors (262290853).

1092878425 is an equidigital number, since it uses as much as digits as its factorization.

1092878425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43715147 (or 43715142 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 46.

The square root of 1092878425 is about 33058.7117867590. The cubic root of 1092878425 is about 1030.0475753310.

The spelling of 1092878425 in words is "one billion, ninety-two million, eight hundred seventy-eight thousand, four hundred twenty-five".