1297970 has 32 divisors (see below), whose sum is σ = 2488320. Its totient is φ = 486720.

The previous prime is 1297963. The next prime is 1297973. The reversal of 1297970 is 797921.

It is a super-2 number, since 2×1297970² = 3369452241800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 1297970.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1297973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16391 + ... + 16469.

It is an arithmetic number, because the mean of its divisors is an integer number (77760).

2^1297970 is an apocalyptic number.

1297970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1297970 is a deficient number, since it is larger than the sum of its proper divisors (1190350).

1297970 is a wasteful number, since it uses less digits than its factorization.

1297970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170.

The product of its (nonzero) digits is 7938, while the sum is 35.

The square root of 1297970 is about 1139.2848634121. The cubic root of 1297970 is about 109.0824503121.

The spelling of 1297970 in words is "one million, two hundred ninety-seven thousand, nine hundred seventy".