1036921 has 2 divisors, whose sum is σ = 1036922. Its totient is φ = 1036920.

The previous prime is 1036913. The next prime is 1036943. The reversal of 1036921 is 1296301.

It is an a-pointer prime, because the next prime (1036943) can be obtained adding 1036921 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1010025 + 26896 = 1005^2 + 164^2 .

It is a cyclic number.

It is not a de Polignac number, because 1036921 - 2³ = 1036913 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 1036892 and 1036901.

It is not a weakly prime, because it can be changed into another prime (1036951) 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 as a sum of consecutive naturals, namely, 518460 + 518461.

It is an arithmetic number, because the mean of its divisors is an integer number (518461).

2^1036921 is an apocalyptic number.

It is an amenable number.

1036921 is a deficient number, since it is larger than the sum of its proper divisors (1).

1036921 is an equidigital number, since it uses as much as digits as its factorization.

1036921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 1036921 is about 1018.2931797866. The cubic root of 1036921 is about 101.2158570037.

The spelling of 1036921 in words is "one million, thirty-six thousand, nine hundred twenty-one".