1214401405 has 32 divisors (see below), whose sum is σ = 1684051200. Its totient is φ = 823495680.

The previous prime is 1214401387. The next prime is 1214401421. The reversal of 1214401405 is 5041044121.

It is not a de Polignac number, because 1214401405 - 2¹⁹ = 1213877117 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1757110 + ... + 1757800.

It is an arithmetic number, because the mean of its divisors is an integer number (52626600).

Almost surely, 2^1214401405 is an apocalyptic number.

It is an amenable number.

1214401405 is a deficient number, since it is larger than the sum of its proper divisors (469649795).

1214401405 is a wasteful number, since it uses less digits than its factorization.

1214401405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 1214401405 is about 34848.2625822293. The cubic root of 1214401405 is about 1066.8927248204.

Adding to 1214401405 its reverse (5041044121), we get a palindrome (6255445526).

The spelling of 1214401405 in words is "one billion, two hundred fourteen million, four hundred one thousand, four hundred five".