1123625 has 16 divisors (see below), whose sum is σ = 1432080. Its totient is φ = 880000.

The previous prime is 1123621. The next prime is 1123631. The reversal of 1123625 is 5263211.

It can be written as a sum of positive squares in 8 ways, for example, as 238144 + 885481 = 488^2 + 941^2 .

It is not a de Polignac number, because 1123625 - 2² = 1123621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1123597 and 1123606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11075 + ... + 11175.

It is an arithmetic number, because the mean of its divisors is an integer number (89505).

2^1123625 is an apocalyptic number.

It is an amenable number.

1123625 is a deficient number, since it is larger than the sum of its proper divisors (308455).

1123625 is an equidigital number, since it uses as much as digits as its factorization.

1123625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205 (or 195 counting only the distinct ones).

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

The square root of 1123625 is about 1060.0117923872. The cubic root of 1123625 is about 103.9618018003.

Adding to 1123625 its reverse (5263211), we get a palindrome (6386836).

It can be divided in two parts, 11236 and 25, that multiplied together give a square (280900 = 530²).

The spelling of 1123625 in words is "one million, one hundred twenty-three thousand, six hundred twenty-five".