1123588 has 6 divisors (see below), whose sum is σ = 1966286. Its totient is φ = 561792.

The previous prime is 1123567. The next prime is 1123589. The reversal of 1123588 is 8853211.

It can be written as a sum of positive squares in only one way, i.e., 1065024 + 58564 = 1032^2 + 242^2 .

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1123589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140445 + ... + 140452.

2^1123588 is an apocalyptic number.

It is an amenable number.

1123588 is a deficient number, since it is larger than the sum of its proper divisors (842698).

1123588 is a wasteful number, since it uses less digits than its factorization.

1123588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280901 (or 280899 counting only the distinct ones).

The product of its digits is 1920, while the sum is 28.

The square root of 1123588 is about 1059.9943396075. The cubic root of 1123588 is about 103.9606606637.

Adding to 1123588 its reverse (8853211), we get a palindrome (9976799).

It can be divided in two parts, 1123 and 588, that added together give a triangular number (1711 = T₅₈).

The spelling of 1123588 in words is "one million, one hundred twenty-three thousand, five hundred eighty-eight".