1297000 has 32 divisors (see below), whose sum is σ = 3037320. Its totient is φ = 518400.

The previous prime is 1296983. The next prime is 1297001. The reversal of 1297000 is 7921.

It can be written as a sum of positive squares in 4 ways, for example, as 842724 + 454276 = 918^2 + 674^2 .

It is not an unprimeable number, because it can be changed into a prime (1297001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352 + ... + 1648.

2^1297000 is an apocalyptic number.

1297000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1297000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1518660).

1297000 is an abundant number, since it is smaller than the sum of its proper divisors (1740320).

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

1297000 is a wasteful number, since it uses less digits than its factorization.

1297000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1318 (or 1304 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 1297000 is about 1138.8590782006. The cubic root of 1297000 is about 109.0552703450.

The spelling of 1297000 in words is "one million, two hundred ninety-seven thousand".