1397029 has 2 divisors, whose sum is σ = 1397030. Its totient is φ = 1397028.

The previous prime is 1397023. The next prime is 1397041. The reversal of 1397029 is 9207931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1322500 + 74529 = 1150^2 + 273^2 .

It is a cyclic number.

It is not a de Polignac number, because 1397029 - 2³ = 1397021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1397021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 698514 + 698515.

It is an arithmetic number, because the mean of its divisors is an integer number (698515).

2^1397029 is an apocalyptic number.

It is an amenable number.

1397029 is a deficient number, since it is larger than the sum of its proper divisors (1).

1397029 is an equidigital number, since it uses as much as digits as its factorization.

1397029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 1397029 is about 1181.9598131916. The cubic root of 1397029 is about 111.7897042393.

The spelling of 1397029 in words is "one million, three hundred ninety-seven thousand, twenty-nine".