1260197 has 4 divisors (see below), whose sum is σ = 1262976. Its totient is φ = 1257420.

The previous prime is 1260191. The next prime is 1260223. The reversal of 1260197 is 7910621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7910621 = 53 ⋅149257.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1260197 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1260191) 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 3 ways as a sum of consecutive naturals, for example, 533 + ... + 1674.

It is an arithmetic number, because the mean of its divisors is an integer number (315744).

2^1260197 is an apocalyptic number.

It is an amenable number.

1260197 is a deficient number, since it is larger than the sum of its proper divisors (2779).

1260197 is an equidigital number, since it uses as much as digits as its factorization.

1260197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2778.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 1260197 is about 1122.5849633769. The cubic root of 1260197 is about 108.0138585325.

The spelling of 1260197 in words is "one million, two hundred sixty thousand, one hundred ninety-seven".