1020113 has 2 divisors, whose sum is σ = 1020114. Its totient is φ = 1020112.

The previous prime is 1020109. The next prime is 1020137. The reversal of 1020113 is 3110201.

1020113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 966289 + 53824 = 983^2 + 232^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020113 - 2² = 1020109 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1020113.

It is not a weakly prime, because it can be changed into another prime (1020143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510056 + 510057.

It is an arithmetic number, because the mean of its divisors is an integer number (510057).

2^1020113 is an apocalyptic number.

It is an amenable number.

1020113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020113 is an equidigital number, since it uses as much as digits as its factorization.

1020113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 1020113 is about 1010.0064356231. The cubic root of 1020113 is about 100.6659880856.

Adding to 1020113 its reverse (3110201), we get a palindrome (4130314).

The spelling of 1020113 in words is "one million, twenty thousand, one hundred thirteen".