1142592 has 56 divisors (see below), whose sum is σ = 3304032. Its totient is φ = 345600.

The previous prime is 1142573. The next prime is 1142593. The reversal of 1142592 is 2952411.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142593) 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, 1842 + ... + 2382.

2^1142592 is an apocalyptic number.

1142592 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1142592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1652016).

1142592 is an abundant number, since it is smaller than the sum of its proper divisors (2161440).

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

1142592 is a wasteful number, since it uses less digits than its factorization.

1142592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567 (or 557 counting only the distinct ones).

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

The square root of 1142592 is about 1068.9209512401. The cubic root of 1142592 is about 104.5435057665.

The spelling of 1142592 in words is "one million, one hundred forty-two thousand, five hundred ninety-two".