1200401407 has 2 divisors, whose sum is σ = 1200401408. Its totient is φ = 1200401406.

The previous prime is 1200401401. The next prime is 1200401431. The reversal of 1200401407 is 7041040021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1200401407 - 2²³ = 1192012799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200401401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600200703 + 600200704.

It is an arithmetic number, because the mean of its divisors is an integer number (600200704).

Almost surely, 2^1200401407 is an apocalyptic number.

1200401407 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200401407 is an equidigital number, since it uses as much as digits as its factorization.

1200401407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 1200401407 is about 34646.8094779303. The cubic root of 1200401407 is about 1062.7770444701. Note that the first 3 decimals are identical.

Adding to 1200401407 its reverse (7041040021), we get a palindrome (8241441428).

The spelling of 1200401407 in words is "one billion, two hundred million, four hundred one thousand, four hundred seven".