1200681 has 12 divisors (see below), whose sum is σ = 1759680. Its totient is φ = 788760.

The previous prime is 1200679. The next prime is 1200691. The reversal of 1200681 is 1860021.

It is not a de Polignac number, because 1200681 - 2¹ = 1200679 is a prime.

It is a super-2 number, since 2×1200681² = 2883269727522, which contains 22 as substring.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (1200611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 301 + ... + 1578.

It is an arithmetic number, because the mean of its divisors is an integer number (146640).

2^1200681 is an apocalyptic number.

It is an amenable number.

1200681 is a deficient number, since it is larger than the sum of its proper divisors (558999).

1200681 is a wasteful number, since it uses less digits than its factorization.

1200681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1956 (or 1953 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 1200681 is about 1095.7559034749. The cubic root of 1200681 is about 106.2859550748.

It can be divided in two parts, 1200 and 681, that added together give a palindrome (1881).

The spelling of 1200681 in words is "one million, two hundred thousand, six hundred eighty-one".