1012997 has 2 divisors, whose sum is σ = 1012998. Its totient is φ = 1012996.

The previous prime is 1012993. The next prime is 1013003. The reversal of 1012997 is 7992101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1012036 + 961 = 1006^2 + 31^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012997 - 2² = 1012993 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506498 + 506499.

It is an arithmetic number, because the mean of its divisors is an integer number (506499).

2^1012997 is an apocalyptic number.

It is an amenable number.

1012997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012997 is an equidigital number, since it uses as much as digits as its factorization.

1012997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 29.

The square root of 1012997 is about 1006.4775208617. The cubic root of 1012997 is about 100.4313698581.

The spelling of 1012997 in words is "one million, twelve thousand, nine hundred ninety-seven".