1090273230 has 128 divisors (see below), whose sum is σ = 3002832000. Its totient is φ = 281318400.

The previous prime is 1090273199. The next prime is 1090273243. The reversal of 1090273230 is 323720901.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1090273194 and 1090273203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1649100 + ... + 1649760.

It is an arithmetic number, because the mean of its divisors is an integer number (23459625).

Almost surely, 2^1090273230 is an apocalyptic number.

1090273230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1090273230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1501416000).

1090273230 is an abundant number, since it is smaller than the sum of its proper divisors (1912558770).

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

1090273230 is a wasteful number, since it uses less digits than its factorization.

1090273230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867 (or 861 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 1090273230 is about 33019.2857281922. The cubic root of 1090273230 is about 1029.2284510070.

The spelling of 1090273230 in words is "one billion, ninety million, two hundred seventy-three thousand, two hundred thirty".