1232001 has 6 divisors (see below), whose sum is σ = 1779570. Its totient is φ = 821328.

The previous prime is 1231999. The next prime is 1232003. The reversal of 1232001 is 1002321.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1231999) and next prime (1232003).

It can be written as a sum of positive squares in only one way, i.e., 853776 + 378225 = 924^2 + 615^2 .

It is not a de Polignac number, because 1232001 - 2¹ = 1231999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 136889 = 1232001 / (1 + 2 + 3 + 2 + 0 + 0 + 1).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1232003) 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, 68436 + ... + 68453.

It is an arithmetic number, because the mean of its divisors is an integer number (296595).

2^1232001 is an apocalyptic number.

It is an amenable number.

1232001 is a deficient number, since it is larger than the sum of its proper divisors (547569).

1232001 is a wasteful number, since it uses less digits than its factorization.

1232001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136895 (or 136892 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 1232001 is about 1109.9554045096. The cubic root of 1232001 is about 107.2021972242.

Adding to 1232001 its reverse (1002321), we get a palindrome (2234322).

It can be divided in two parts, 123200 and 1, that added together give a square (123201 = 351²).

The spelling of 1232001 in words is "one million, two hundred thirty-two thousand, one".