1232457 has 4 divisors (see below), whose sum is σ = 1643280. Its totient is φ = 821636.

The previous prime is 1232453. The next prime is 1232461. The reversal of 1232457 is 7542321.

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 an interprime number because it is at equal distance from previous prime (1232453) and next prime (1232461).

It is a cyclic number.

It is not a de Polignac number, because 1232457 - 2² = 1232453 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (1232453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205407 + ... + 205412.

It is an arithmetic number, because the mean of its divisors is an integer number (410820).

2^1232457 is an apocalyptic number.

It is an amenable number.

1232457 is a deficient number, since it is larger than the sum of its proper divisors (410823).

1232457 is an equidigital number, since it uses as much as digits as its factorization.

1232457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410822.

The product of its digits is 1680, while the sum is 24.

The square root of 1232457 is about 1110.1607991638. The cubic root of 1232457 is about 107.2154218271.

Adding to 1232457 its reverse (7542321), we get a palindrome (8774778).

The spelling of 1232457 in words is "one million, two hundred thirty-two thousand, four hundred fifty-seven".