1206971 has 8 divisors (see below), whose sum is σ = 1274784. Its totient is φ = 1140480.

The previous prime is 1206941. The next prime is 1206973. The reversal of 1206971 is 1796021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1206971 - 2¹⁰ = 1205947 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13 and base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 1206971.

It is not an unprimeable number, because it can be changed into a prime (1206973) 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, 1961 + ... + 2501.

It is an arithmetic number, because the mean of its divisors is an integer number (159348).

2^1206971 is an apocalyptic number.

1206971 is a deficient number, since it is larger than the sum of its proper divisors (67813).

1206971 is an equidigital number, since it uses as much as digits as its factorization.

1206971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661.

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

The square root of 1206971 is about 1098.6223190888. The cubic root of 1206971 is about 106.4712317692.

The spelling of 1206971 in words is "one million, two hundred six thousand, nine hundred seventy-one".