1129542 has 16 divisors (see below), whose sum is σ = 2288640. Its totient is φ = 371592.

The previous prime is 1129523. The next prime is 1129559. The reversal of 1129542 is 2459211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 718 + ... + 1665.

It is an arithmetic number, because the mean of its divisors is an integer number (143040).

2^1129542 is an apocalyptic number.

1129542 is an abundant number, since it is smaller than the sum of its proper divisors (1159098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1129542 is a wasteful number, since it uses less digits than its factorization.

1129542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2467.

The product of its digits is 720, while the sum is 24.

The square root of 1129542 is about 1062.7991343617. The cubic root of 1129542 is about 104.1439697394.

The spelling of 1129542 in words is "one million, one hundred twenty-nine thousand, five hundred forty-two".