1120390 has 16 divisors (see below), whose sum is σ = 2031120. Its totient is φ = 444960.

The previous prime is 1120369. The next prime is 1120391. The reversal of 1120390 is 930211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1501 + ... + 2119.

It is an arithmetic number, because the mean of its divisors is an integer number (126945).

2^1120390 is an apocalyptic number.

1120390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1120390 is a deficient number, since it is larger than the sum of its proper divisors (910730).

1120390 is a wasteful number, since it uses less digits than its factorization.

1120390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1120390 is about 1058.4847660689. The cubic root of 1120390 is about 103.8619346423.

The spelling of 1120390 in words is "one million, one hundred twenty thousand, three hundred ninety".