1242896 has 10 divisors (see below), whose sum is σ = 2408142. Its totient is φ = 621440.

The previous prime is 1242893. The next prime is 1242929. The reversal of 1242896 is 6982421.

It can be written as a sum of positive squares in only one way, i.e., 929296 + 313600 = 964^2 + 560^2 .

It is not an unprimeable number, because it can be changed into a prime (1242893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38825 + ... + 38856.

2^1242896 is an apocalyptic number.

1242896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1242896 is a deficient number, since it is larger than the sum of its proper divisors (1165246).

1242896 is an equidigital number, since it uses as much as digits as its factorization.

1242896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77689 (or 77683 counting only the distinct ones).

The product of its digits is 6912, while the sum is 32.

The square root of 1242896 is about 1114.8524566058. The cubic root of 1242896 is about 107.5172786360.

The spelling of 1242896 in words is "one million, two hundred forty-two thousand, eight hundred ninety-six".