1405234201 has 18 divisors (see below), whose sum is σ = 1658299290. Its totient is φ = 1187313120.

The previous prime is 1405234189. The next prime is 1405234217. The reversal of 1405234201 is 1024325041.

It can be written as a sum of positive squares in only one way, i.e., 1389425625 + 15808576 = 37275^2 + 3976^2 .

It is not a de Polignac number, because 1405234201 - 2²¹ = 1403137049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1405234231) 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 17 ways as a sum of consecutive naturals, for example, 244165 + ... + 249853.

Almost surely, 2^1405234201 is an apocalyptic number.

It is an amenable number.

1405234201 is a deficient number, since it is larger than the sum of its proper divisors (253065089).

1405234201 is an frugal number, since it uses more digits than its factorization.

1405234201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5845 (or 5767 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1405234201 is about 37486.4535665886. The cubic root of 1405234201 is about 1120.0813612769.

Adding to 1405234201 its reverse (1024325041), we get a palindrome (2429559242).

The spelling of 1405234201 in words is "one billion, four hundred five million, two hundred thirty-four thousand, two hundred one".