1242752 has 64 divisors (see below), whose sum is σ = 3019200. Its totient is φ = 497664.

The previous prime is 1242739. The next prime is 1242757. The reversal of 1242752 is 2572421.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (1242757) 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, 16988 + ... + 17060.

It is an arithmetic number, because the mean of its divisors is an integer number (47175).

2^1242752 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 1242752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1509600).

1242752 is an abundant number, since it is smaller than the sum of its proper divisors (1776448).

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

1242752 is an equidigital number, since it uses as much as digits as its factorization.

1242752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113 (or 101 counting only the distinct ones).

The product of its digits is 1120, while the sum is 23.

The square root of 1242752 is about 1114.7878721981. The cubic root of 1242752 is about 107.5131262140.

The spelling of 1242752 in words is "one million, two hundred forty-two thousand, seven hundred fifty-two".