1124992 has 64 divisors (see below), whose sum is σ = 2643840. Its totient is φ = 471040.

The previous prime is 1124987. The next prime is 1124993. The reversal of 1124992 is 2994211.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 1124992.

It is not an unprimeable number, because it can be changed into a prime (1124993) 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, 23913 + ... + 23959.

It is an arithmetic number, because the mean of its divisors is an integer number (41310).

2^1124992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1124992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1321920).

1124992 is an abundant number, since it is smaller than the sum of its proper divisors (1518848).

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

1124992 is a wasteful number, since it uses less digits than its factorization.

1124992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89 (or 77 counting only the distinct ones).

The product of its digits is 1296, while the sum is 28.

The square root of 1124992 is about 1060.6564005370. The cubic root of 1124992 is about 104.0039446236.

It can be divided in two parts, 1124 and 992, that added together give a square (2116 = 46²).

The spelling of 1124992 in words is "one million, one hundred twenty-four thousand, nine hundred ninety-two".