1214020105 has 16 divisors (see below), whose sum is σ = 1566132480. Its totient is φ = 900519552.

The previous prime is 1214020103. The next prime is 1214020111. The reversal of 1214020105 is 5010204121.

It is a cyclic number.

It is not a de Polignac number, because 1214020105 - 2¹ = 1214020103 is a prime.

It is a super-2 number, since 2×1214020105² = 2947689630688422050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1214020103) 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 15 ways as a sum of consecutive naturals, for example, 131484 + ... + 140413.

It is an arithmetic number, because the mean of its divisors is an integer number (97883280).

Almost surely, 2^1214020105 is an apocalyptic number.

It is an amenable number.

1214020105 is a deficient number, since it is larger than the sum of its proper divisors (352112375).

1214020105 is a wasteful number, since it uses less digits than its factorization.

1214020105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271968.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 1214020105 is about 34842.7912917435. The cubic root of 1214020105 is about 1066.7810514812.

Adding to 1214020105 its reverse (5010204121), we get a palindrome (6224224226).

The spelling of 1214020105 in words is "one billion, two hundred fourteen million, twenty thousand, one hundred five".