1016121 has 4 divisors (see below), whose sum is σ = 1354832. Its totient is φ = 677412.

The previous prime is 1016111. The next prime is 1016123. The reversal of 1016121 is 1216101.

It is a happy number.

1016121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1016121 - 2⁵ = 1016089 is a prime.

It is a D-number.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1016097 and 1016106.

It is not an unprimeable number, because it can be changed into a prime (1016123) 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, 169351 + ... + 169356.

It is an arithmetic number, because the mean of its divisors is an integer number (338708).

2^1016121 is an apocalyptic number.

It is an amenable number.

1016121 is a deficient number, since it is larger than the sum of its proper divisors (338711).

1016121 is an equidigital number, since it uses as much as digits as its factorization.

1016121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338710.

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

The square root of 1016121 is about 1008.0282734130. The cubic root of 1016121 is about 100.5345046245.

The spelling of 1016121 in words is "one million, sixteen thousand, one hundred twenty-one".