1200401431 has 2 divisors, whose sum is σ = 1200401432. Its totient is φ = 1200401430.

The previous prime is 1200401407. The next prime is 1200401453. The reversal of 1200401431 is 1341040021.

It is a strong prime.

It is an emirp because it is prime and its reverse (1341040021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1200401431 - 2¹¹ = 1200399383 is a prime.

It is a super-2 number, since 2×1200401431² = 2881927191093695522, which contains 22 as substring.

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, 600200715 + 600200716.

It is an arithmetic number, because the mean of its divisors is an integer number (600200716).

Almost surely, 2^1200401431 is an apocalyptic number.

1200401431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200401431 is an equidigital number, since it uses as much as digits as its factorization.

1200401431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1200401431 is about 34646.8098242825. The cubic root of 1200401431 is about 1062.7770515529. Note that the first 3 decimals are identical.

Adding to 1200401431 its reverse (1341040021), we get a palindrome (2541441452).

The spelling of 1200401431 in words is "one billion, two hundred million, four hundred one thousand, four hundred thirty-one".