1223450 has 12 divisors (see below), whose sum is σ = 2275710. Its totient is φ = 489360.

The previous prime is 1223449. The next prime is 1223459. The reversal of 1223450 is 543221.

It can be written as a sum of positive squares in 3 ways, for example, as 677329 + 546121 = 823^2 + 739^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1223459) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12185 + ... + 12284.

2^1223450 is an apocalyptic number.

1223450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1223450 is a deficient number, since it is larger than the sum of its proper divisors (1052260).

1223450 is a wasteful number, since it uses less digits than its factorization.

1223450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24481 (or 24476 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 1223450 is about 1106.0967407962. The cubic root of 1223450 is about 106.9536002856.

Adding to 1223450 its reverse (543221), we get a palindrome (1766671).

The spelling of 1223450 in words is "one million, two hundred twenty-three thousand, four hundred fifty".