1020916 has 24 divisors (see below), whose sum is σ = 1993320. Its totient is φ = 454272.

The previous prime is 1020913. The next prime is 1020931. The reversal of 1020916 is 6190201.

It can be written as a sum of positive squares in 4 ways, for example, as 291600 + 729316 = 540^2 + 854^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1020893 and 1020902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1170 + ... + 1846.

It is an arithmetic number, because the mean of its divisors is an integer number (83055).

2^1020916 is an apocalyptic number.

It is an amenable number.

1020916 is a deficient number, since it is larger than the sum of its proper divisors (972404).

1020916 is a wasteful number, since it uses less digits than its factorization.

1020916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723 (or 721 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 1020916 is about 1010.4038796442. The cubic root of 1020916 is about 100.6923948293.

It can be divided in two parts, 1020 and 916, that added together give a square (1936 = 44²).

The spelling of 1020916 in words is "one million, twenty thousand, nine hundred sixteen".