1200407 has 6 divisors (see below), whose sum is σ = 1300032. Its totient is φ = 1107912.

The previous prime is 1200403. The next prime is 1200443. The reversal of 1200407 is 7040021.

It is a happy number.

It is not a de Polignac number, because 1200407 - 2² = 1200403 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1200391 and 1200400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200403) 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, 3383 + ... + 3720.

It is an arithmetic number, because the mean of its divisors is an integer number (216672).

2^1200407 is an apocalyptic number.

1200407 is a deficient number, since it is larger than the sum of its proper divisors (99625).

1200407 is an equidigital number, since it uses as much as digits as its factorization.

1200407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7129 (or 7116 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 1200407 is about 1095.6308684954. The cubic root of 1200407 is about 106.2778695058.

Adding to 1200407 its reverse (7040021), we get a palindrome (8240428).

The spelling of 1200407 in words is "one million, two hundred thousand, four hundred seven".