1209701 has 4 divisors (see below), whose sum is σ = 1211904. Its totient is φ = 1207500.

The previous prime is 1209697. The next prime is 1209707. The reversal of 1209701 is 1079021.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1209701 - 2² = 1209697 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1209707) 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, 476 + ... + 1626.

It is an arithmetic number, because the mean of its divisors is an integer number (302976).

2^1209701 is an apocalyptic number.

It is an amenable number.

1209701 is a deficient number, since it is larger than the sum of its proper divisors (2203).

1209701 is a wasteful number, since it uses less digits than its factorization.

1209701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2202.

The product of its (nonzero) digits is 126, while the sum is 20.

The square root of 1209701 is about 1099.8640825120. The cubic root of 1209701 is about 106.5514456790.

The spelling of 1209701 in words is "one million, two hundred nine thousand, seven hundred one".