1427322401 has 8 divisors (see below), whose sum is σ = 1432842600. Its totient is φ = 1421811072.

The previous prime is 1427322343. The next prime is 1427322437. The reversal of 1427322401 is 1042237241.

It can be written as a sum of positive squares in 4 ways, for example, as 22572001 + 1404750400 = 4751^2 + 37480^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1427322401 - 2²² = 1423128097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1427322451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 610631 + ... + 612963.

It is an arithmetic number, because the mean of its divisors is an integer number (179105325).

Almost surely, 2^1427322401 is an apocalyptic number.

It is an amenable number.

1427322401 is a deficient number, since it is larger than the sum of its proper divisors (5520199).

1427322401 is a wasteful number, since it uses less digits than its factorization.

1427322401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4435.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 1427322401 is about 37779.9206060574. The cubic root of 1427322401 is about 1125.9195513174.

Adding to 1427322401 its reverse (1042237241), we get a palindrome (2469559642).

The spelling of 1427322401 in words is "one billion, four hundred twenty-seven million, three hundred twenty-two thousand, four hundred one".