1093142780 has 12 divisors (see below), whose sum is σ = 2295599880. Its totient is φ = 437257104.

The previous prime is 1093142777. The next prime is 1093142867. The reversal of 1093142780 is 872413901.

It is a super-2 number, since 2×1093142780² = 2389922274932256800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1093142780.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 27328550 + ... + 27328589.

It is an arithmetic number, because the mean of its divisors is an integer number (191299990).

Almost surely, 2^1093142780 is an apocalyptic number.

1093142780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1093142780 is an abundant number, since it is smaller than the sum of its proper divisors (1202457100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1093142780 is a wasteful number, since it uses less digits than its factorization.

1093142780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54657148 (or 54657146 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 1093142780 is about 33062.7098102984. The cubic root of 1093142780 is about 1030.1306209434.

The spelling of 1093142780 in words is "one billion, ninety-three million, one hundred forty-two thousand, seven hundred eighty".