1123137 has 6 divisors (see below), whose sum is σ = 1622322. Its totient is φ = 748752.

The previous prime is 1123127. The next prime is 1123151. The reversal of 1123137 is 7313211.

It can be written as a sum of positive squares in only one way, i.e., 853776 + 269361 = 924^2 + 519^2 .

It is not a de Polignac number, because 1123137 - 2¹⁰ = 1122113 is a prime.

It is a super-2 number, since 2×1123137² = 2522873441538, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1123127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62388 + ... + 62405.

It is an arithmetic number, because the mean of its divisors is an integer number (270387).

2^1123137 is an apocalyptic number.

It is an amenable number.

1123137 is a deficient number, since it is larger than the sum of its proper divisors (499185).

1123137 is a wasteful number, since it uses less digits than its factorization.

1123137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124799 (or 124796 counting only the distinct ones).

The product of its digits is 126, while the sum is 18.

The square root of 1123137 is about 1059.7815812704. The cubic root of 1123137 is about 103.9467491194.

Adding to 1123137 its reverse (7313211), we get a palindrome (8436348).

It can be divided in two parts, 112 and 3137, that added together give a square (3249 = 57²).

The spelling of 1123137 in words is "one million, one hundred twenty-three thousand, one hundred thirty-seven".