1211016 has 16 divisors (see below), whose sum is σ = 3027600. Its totient is φ = 403664.

The previous prime is 1210999. The next prime is 1211027. The reversal of 1211016 is 6101121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1210992 and 1211010.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25206 + ... + 25253.

It is an arithmetic number, because the mean of its divisors is an integer number (189225).

2^1211016 is an apocalyptic number.

It is an amenable number.

1211016 is an abundant number, since it is smaller than the sum of its proper divisors (1816584).

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

1211016 is a wasteful number, since it uses less digits than its factorization.

1211016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50468 (or 50464 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 1211016 is about 1100.4617212788. The cubic root of 1211016 is about 106.5900404533.

Adding to 1211016 its reverse (6101121), we get a palindrome (7312137).

The spelling of 1211016 in words is "one million, two hundred eleven thousand, sixteen".