1123487 has 2 divisors, whose sum is σ = 1123488. Its totient is φ = 1123486.

The previous prime is 1123483. The next prime is 1123501. The reversal of 1123487 is 7843211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1123487 - 2² = 1123483 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561743 + 561744.

It is an arithmetic number, because the mean of its divisors is an integer number (561744).

2^1123487 is an apocalyptic number.

1123487 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123487 is an equidigital number, since it uses as much as digits as its factorization.

1123487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1344, while the sum is 26.

The square root of 1123487 is about 1059.9466967730. The cubic root of 1123487 is about 103.9575455416.

Adding to 1123487 its reverse (7843211), we get a palindrome (8966698).

The spelling of 1123487 in words is "one million, one hundred twenty-three thousand, four hundred eighty-seven".