1125045 has 24 divisors (see below), whose sum is σ = 2036736. Its totient is φ = 573408.

The previous prime is 1125029. The next prime is 1125053. The reversal of 1125045 is 5405211.

It is not a de Polignac number, because 1125045 - 2⁴ = 1125029 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 492 + ... + 1578.

It is an arithmetic number, because the mean of its divisors is an integer number (84864).

2^1125045 is an apocalyptic number.

1125045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1125045 is a deficient number, since it is larger than the sum of its proper divisors (911691).

1125045 is a wasteful number, since it uses less digits than its factorization.

1125045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121 (or 1118 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 1125045 is about 1060.6813847711. The cubic root of 1125045 is about 104.0055778567.

The spelling of 1125045 in words is "one million, one hundred twenty-five thousand, forty-five".