1125142 has 16 divisors (see below), whose sum is σ = 1839600. Its totient is φ = 514080.

The previous prime is 1125139. The next prime is 1125143. The reversal of 1125142 is 2415211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 592 + ... + 1612.

It is an arithmetic number, because the mean of its divisors is an integer number (114975).

2^1125142 is an apocalyptic number.

1125142 is a deficient number, since it is larger than the sum of its proper divisors (714458).

1125142 is a wasteful number, since it uses less digits than its factorization.

1125142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071.

The product of its digits is 80, while the sum is 16.

The square root of 1125142 is about 1060.7271091096. The cubic root of 1125142 is about 104.0085668485.

The spelling of 1125142 in words is "one million, one hundred twenty-five thousand, one hundred forty-two".