1090243790 has 8 divisors (see below), whose sum is σ = 1962438840. Its totient is φ = 436097512.

The previous prime is 1090243787. The next prime is 1090243799. The reversal of 1090243790 is 973420901.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1090243790.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1090243799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54512180 + ... + 54512199.

It is an arithmetic number, because the mean of its divisors is an integer number (245304855).

Almost surely, 2^1090243790 is an apocalyptic number.

1090243790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1090243790 is a deficient number, since it is larger than the sum of its proper divisors (872195050).

1090243790 is a wasteful number, since it uses less digits than its factorization.

1090243790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109024386.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 1090243790 is about 33018.8399251094. The cubic root of 1090243790 is about 1029.2191870422.

The spelling of 1090243790 in words is "one billion, ninety million, two hundred forty-three thousand, seven hundred ninety".