1125538 has 8 divisors (see below), whose sum is σ = 1698588. Its totient is φ = 559344.

The previous prime is 1125529. The next prime is 1125539. The reversal of 1125538 is 8355211.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 769129 + 356409 = 877^2 + 597^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1125539) 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, 1281 + ... + 1972.

2^1125538 is an apocalyptic number.

1125538 is a deficient number, since it is larger than the sum of its proper divisors (573050).

1125538 is a wasteful number, since it uses less digits than its factorization.

1125538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3428.

The product of its digits is 1200, while the sum is 25.

The square root of 1125538 is about 1060.9137570981. The cubic root of 1125538 is about 104.0207675489.

The spelling of 1125538 in words is "one million, one hundred twenty-five thousand, five hundred thirty-eight".