1233501 has 4 divisors (see below), whose sum is σ = 1644672. Its totient is φ = 822332.

The previous prime is 1233497. The next prime is 1233509. The reversal of 1233501 is 1053321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1233501 - 2² = 1233497 is a prime.

It is a D-number.

1233501 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205581 + ... + 205586.

It is an arithmetic number, because the mean of its divisors is an integer number (411168).

2^1233501 is an apocalyptic number.

It is an amenable number.

1233501 is a deficient number, since it is larger than the sum of its proper divisors (411171).

1233501 is an equidigital number, since it uses as much as digits as its factorization.

1233501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411170.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 1233501 is about 1110.6309017851. The cubic root of 1233501 is about 107.2456869289.

Adding to 1233501 its reverse (1053321), we get a palindrome (2286822).

The spelling of 1233501 in words is "one million, two hundred thirty-three thousand, five hundred one".