1370197 has 2 divisors, whose sum is σ = 1370198. Its totient is φ = 1370196.

The previous prime is 1370189. The next prime is 1370219. The reversal of 1370197 is 7910731.

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., 715716 + 654481 = 846^2 + 809^2 .

It is an emirp because it is prime and its reverse (7910731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1370197 - 2³ = 1370189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1370177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 685098 + 685099.

It is an arithmetic number, because the mean of its divisors is an integer number (685099).

2^1370197 is an apocalyptic number.

It is an amenable number.

1370197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1370197 is an equidigital number, since it uses as much as digits as its factorization.

1370197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1323, while the sum is 28.

The square root of 1370197 is about 1170.5541422762. The cubic root of 1370197 is about 111.0693774007.

It can be divided in two parts, 137019 and 7, that added together give a triangular number (137026 = T₅₂₃).

The spelling of 1370197 in words is "one million, three hundred seventy thousand, one hundred ninety-seven".