1242976 has 48 divisors (see below), whose sum is σ = 2903040. Its totient is φ = 512640.

The previous prime is 1242959. The next prime is 1242977. The reversal of 1242976 is 6792421.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6855 + ... + 7033.

It is an arithmetic number, because the mean of its divisors is an integer number (60480).

2^1242976 is an apocalyptic number.

1242976 is a gapful number since it is divisible by the number (16) 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 1242976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1451520).

1242976 is an abundant number, since it is smaller than the sum of its proper divisors (1660064).

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

1242976 is a wasteful number, since it uses less digits than its factorization.

1242976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227 (or 219 counting only the distinct ones).

The product of its digits is 6048, while the sum is 31.

The square root of 1242976 is about 1114.8883352157. Note that the first 3 decimals coincide. The cubic root of 1242976 is about 107.5195853985.

The spelling of 1242976 in words is "one million, two hundred forty-two thousand, nine hundred seventy-six".