1297170 has 96 divisors (see below), whose sum is σ = 4043520. Its totient is φ = 282240.

The previous prime is 1297169. The next prime is 1297171. The reversal of 1297170 is 717921.

It is an interprime number because it is at equal distance from previous prime (1297169) and next prime (1297171).

It is not an unprimeable number, because it can be changed into a prime (1297171) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18235 + ... + 18305.

It is an arithmetic number, because the mean of its divisors is an integer number (42120).

2^1297170 is an apocalyptic number.

1297170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1297170, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2021760).

1297170 is an abundant number, since it is smaller than the sum of its proper divisors (2746350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1297170 is a wasteful number, since it uses less digits than its factorization.

1297170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 882, while the sum is 27.

The square root of 1297170 is about 1138.9337118551. The cubic root of 1297170 is about 109.0600348236.

It can be divided in two parts, 12971 and 70, that added together give a triangular number (13041 = T₁₆₁).

The spelling of 1297170 in words is "one million, two hundred ninety-seven thousand, one hundred seventy".