1242116 has 12 divisors (see below), whose sum is σ = 2220288. Its totient is φ = 607752.

The previous prime is 1242107. The next prime is 1242119. The reversal of 1242116 is 6112421.

1242116 = 139² + 140² + ... + 185².

It is a junction number, because it is equal to n+sod(n) for n = 1242094 and 1242103.

It is not an unprimeable number, because it can be changed into a prime (1242119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3116 + ... + 3491.

It is an arithmetic number, because the mean of its divisors is an integer number (185024).

2^1242116 is an apocalyptic number.

It is an amenable number.

1242116 is a deficient number, since it is larger than the sum of its proper divisors (978172).

1242116 is a wasteful number, since it uses less digits than its factorization.

1242116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6658 (or 6656 counting only the distinct ones).

The product of its digits is 96, while the sum is 17.

The square root of 1242116 is about 1114.5025796291. The cubic root of 1242116 is about 107.4947825122.

Adding to 1242116 its reverse (6112421), we get a palindrome (7354537).

The spelling of 1242116 in words is "one million, two hundred forty-two thousand, one hundred sixteen".