1223090 has 16 divisors (see below), whose sum is σ = 2401920. Its totient is φ = 444720.

The previous prime is 1223083. The next prime is 1223093. The reversal of 1223090 is 903221.

It is not an unprimeable number, because it can be changed into a prime (1223093) 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, 5450 + ... + 5669.

It is an arithmetic number, because the mean of its divisors is an integer number (150120).

2^1223090 is an apocalyptic number.

1223090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1223090 is a deficient number, since it is larger than the sum of its proper divisors (1178830).

1223090 is a wasteful number, since it uses less digits than its factorization.

1223090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11137.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1223090 is about 1105.9339944138. The cubic root of 1223090 is about 106.9431088956.

The spelling of 1223090 in words is "one million, two hundred twenty-three thousand, ninety".