1090270045 has 8 divisors (see below), whose sum is σ = 1336161024. Its totient is φ = 853658064.

The previous prime is 1090270043. The next prime is 1090270063. The reversal of 1090270045 is 5400720901.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1090270045 - 2¹ = 1090270043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1090269995 and 1090270022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1090270043) 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, 2319489 + ... + 2319958.

It is an arithmetic number, because the mean of its divisors is an integer number (167020128).

Almost surely, 2^1090270045 is an apocalyptic number.

It is an amenable number.

1090270045 is a deficient number, since it is larger than the sum of its proper divisors (245890979).

1090270045 is an equidigital number, since it uses as much as digits as its factorization.

1090270045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4639499.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 1090270045 is about 33019.2374987673. The cubic root of 1090270045 is about 1029.2274487824.

Adding to 1090270045 its reverse (5400720901), we get a palindrome (6490990946).

The spelling of 1090270045 in words is "one billion, ninety million, two hundred seventy thousand, forty-five".