1213141105 has 16 divisors (see below), whose sum is σ = 1591086528. Its totient is φ = 880632000.

The previous prime is 1213141043. The next prime is 1213141109. The reversal of 1213141105 is 5011413121.

It is not a de Polignac number, because 1213141105 - 2²⁹ = 676270193 is a prime.

It is a super-2 number, since 2×1213141105² = 2943422681281242050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1213141109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9370 + ... + 50140.

It is an arithmetic number, because the mean of its divisors is an integer number (99442908).

Almost surely, 2^1213141105 is an apocalyptic number.

It is an amenable number.

1213141105 is a deficient number, since it is larger than the sum of its proper divisors (377945423).

1213141105 is a wasteful number, since it uses less digits than its factorization.

1213141105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41328.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 1213141105 is about 34830.1752077132. The cubic root of 1213141105 is about 1066.5235250085.

Adding to 1213141105 its reverse (5011413121), we get a palindrome (6224554226).

The spelling of 1213141105 in words is "one billion, two hundred thirteen million, one hundred forty-one thousand, one hundred five".