1072397 has 2 divisors, whose sum is σ = 1072398. Its totient is φ = 1072396.

The previous prime is 1072387. The next prime is 1072429. The reversal of 1072397 is 7932701.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 808201 + 264196 = 899^2 + 514^2 .

It is a cyclic number.

It is not a de Polignac number, because 1072397 - 2⁴ = 1072381 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1072327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 536198 + 536199.

It is an arithmetic number, because the mean of its divisors is an integer number (536199).

2^1072397 is an apocalyptic number.

It is an amenable number.

1072397 is a deficient number, since it is larger than the sum of its proper divisors (1).

1072397 is an equidigital number, since it uses as much as digits as its factorization.

1072397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 1072397 is about 1035.5660287978. The cubic root of 1072397 is about 102.3572313360.

The spelling of 1072397 in words is "one million, seventy-two thousand, three hundred ninety-seven".