1011973 has 2 divisors, whose sum is σ = 1011974. Its totient is φ = 1011972.

The previous prime is 1011961. The next prime is 1011979. The reversal of 1011973 is 3791101.

1011973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 887364 + 124609 = 942^2 + 353^2 .

It is an emirp because it is prime and its reverse (3791101) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011973 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505986 + 505987.

It is an arithmetic number, because the mean of its divisors is an integer number (505987).

2^1011973 is an apocalyptic number.

It is an amenable number.

1011973 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011973 is an equidigital number, since it uses as much as digits as its factorization.

1011973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 189, while the sum is 22.

The square root of 1011973 is about 1005.9686873854. The cubic root of 1011973 is about 100.3975177029.

The spelling of 1011973 in words is "one million, eleven thousand, nine hundred seventy-three".