1231652 has 12 divisors (see below), whose sum is σ = 2163840. Its totient is φ = 613416.

The previous prime is 1231631. The next prime is 1231663. The reversal of 1231652 is 2561321.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1049 + ... + 1887.

It is an arithmetic number, because the mean of its divisors is an integer number (180320).

2^1231652 is an apocalyptic number.

It is an amenable number.

1231652 is a deficient number, since it is larger than the sum of its proper divisors (932188).

1231652 is a wasteful number, since it uses less digits than its factorization.

1231652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210 (or 1208 counting only the distinct ones).

The product of its digits is 360, while the sum is 20.

The square root of 1231652 is about 1109.7981798507. The cubic root of 1231652 is about 107.1920735581.

Adding to 1231652 its reverse (2561321), we get a palindrome (3792973).

The spelling of 1231652 in words is "one million, two hundred thirty-one thousand, six hundred fifty-two".