1125437 has 4 divisors (see below), whose sum is σ = 1128000. Its totient is φ = 1122876.

The previous prime is 1125433. The next prime is 1125469. The reversal of 1125437 is 7345211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7345211 = 23 ⋅319357.

It is a cyclic number.

It is not a de Polignac number, because 1125437 - 2² = 1125433 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125431) 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, 437 + ... + 1562.

It is an arithmetic number, because the mean of its divisors is an integer number (282000).

2^1125437 is an apocalyptic number.

It is an amenable number.

1125437 is a deficient number, since it is larger than the sum of its proper divisors (2563).

1125437 is an equidigital number, since it uses as much as digits as its factorization.

1125437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2562.

The product of its digits is 840, while the sum is 23.

The square root of 1125437 is about 1060.8661555540. The cubic root of 1125437 is about 104.0176560260.

The spelling of 1125437 in words is "one million, one hundred twenty-five thousand, four hundred thirty-seven".