1391116 has 6 divisors (see below), whose sum is σ = 2434460. Its totient is φ = 695556.

The previous prime is 1391113. The next prime is 1391119. The reversal of 1391116 is 6111931.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1391113) and next prime (1391119).

It is not an unprimeable number, because it can be changed into a prime (1391113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173886 + ... + 173893.

2^1391116 is an apocalyptic number.

It is an amenable number.

1391116 is a deficient number, since it is larger than the sum of its proper divisors (1043344).

1391116 is a wasteful number, since it uses less digits than its factorization.

1391116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347783 (or 347781 counting only the distinct ones).

The product of its digits is 162, while the sum is 22.

The square root of 1391116 is about 1179.4558067177. The cubic root of 1391116 is about 111.6317625620.

The spelling of 1391116 in words is "one million, three hundred ninety-one thousand, one hundred sixteen".