1251116 has 6 divisors (see below), whose sum is σ = 2189460. Its totient is φ = 625556.

The previous prime is 1251109. The next prime is 1251121. The reversal of 1251116 is 6111521.

It is a junction number, because it is equal to n+sod(n) for n = 1251094 and 1251103.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156386 + ... + 156393.

It is an arithmetic number, because the mean of its divisors is an integer number (364910).

2^1251116 is an apocalyptic number.

It is an amenable number.

1251116 is a deficient number, since it is larger than the sum of its proper divisors (938344).

1251116 is a wasteful number, since it uses less digits than its factorization.

1251116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312783 (or 312781 counting only the distinct ones).

The product of its digits is 60, while the sum is 17.

The square root of 1251116 is about 1118.5329677752. The cubic root of 1251116 is about 107.7537829541.

Adding to 1251116 its reverse (6111521), we get a palindrome (7362637).

The spelling of 1251116 in words is "one million, two hundred fifty-one thousand, one hundred sixteen".