1200411 has 6 divisors (see below), whose sum is σ = 1733940. Its totient is φ = 800268.

The previous prime is 1200403. The next prime is 1200443. The reversal of 1200411 is 1140021.

It is a happy number.

It is not a de Polignac number, because 1200411 - 2³ = 1200403 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 133379 = 1200411 / (1 + 2 + 0 + 0 + 4 + 1 + 1).

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 1200393 and 1200402.

It is not an unprimeable number, because it can be changed into a prime (1200461) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66681 + ... + 66698.

It is an arithmetic number, because the mean of its divisors is an integer number (288990).

2^1200411 is an apocalyptic number.

1200411 is a deficient number, since it is larger than the sum of its proper divisors (533529).

1200411 is a wasteful number, since it uses less digits than its factorization.

1200411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133385 (or 133382 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 1200411 is about 1095.6326939262. The cubic root of 1200411 is about 106.2779875521.

Adding to 1200411 its reverse (1140021), we get a palindrome (2340432).

The spelling of 1200411 in words is "one million, two hundred thousand, four hundred eleven".