1233131 has 6 divisors (see below), whose sum is σ = 1255140. Its totient is φ = 1211468.

The previous prime is 1233121. The next prime is 1233143. The reversal of 1233131 is 1313321.

It is not a de Polignac number, because 1233131 - 2¹⁸ = 970987 is a prime.

It is a super-2 number, since 2×1233131² = 3041224126322, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1233101) 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 5 ways as a sum of consecutive naturals, for example, 6800 + ... + 6978.

It is an arithmetic number, because the mean of its divisors is an integer number (209190).

2^1233131 is an apocalyptic number.

1233131 is a deficient number, since it is larger than the sum of its proper divisors (22009).

1233131 is an frugal number, since it uses more digits than its factorization.

1233131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345 (or 262 counting only the distinct ones).

The product of its digits is 54, while the sum is 14.

The square root of 1233131 is about 1110.4643173016. The cubic root of 1233131 is about 107.2349627456.

Adding to 1233131 its reverse (1313321), we get a palindrome (2546452).

The spelling of 1233131 in words is "one million, two hundred thirty-three thousand, one hundred thirty-one".