1092780553 has 8 divisors (see below), whose sum is σ = 1178894088. Its totient is φ = 1009092864.

The previous prime is 1092780547. The next prime is 1092780571. The reversal of 1092780553 is 3550872901.

It can be written as a sum of positive squares in 4 ways, for example, as 368524809 + 724255744 = 19197^2 + 26912^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-1092780553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1092780583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 605526 + ... + 607327.

It is an arithmetic number, because the mean of its divisors is an integer number (147361761).

Almost surely, 2^1092780553 is an apocalyptic number.

It is an amenable number.

1092780553 is a deficient number, since it is larger than the sum of its proper divisors (86113535).

1092780553 is a wasteful number, since it uses less digits than its factorization.

1092780553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212923.

The product of its (nonzero) digits is 75600, while the sum is 40.

The square root of 1092780553 is about 33057.2314781501. The cubic root of 1092780553 is about 1030.0168260047.

The spelling of 1092780553 in words is "one billion, ninety-two million, seven hundred eighty thousand, five hundred fifty-three".