1211441234 has 16 divisors (see below), whose sum is σ = 1897976448. Its totient is φ = 578832672.

The previous prime is 1211441173. The next prime is 1211441237. The reversal of 1211441234 is 4321441121.

It is a super-3 number, since 3×1211441234³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (1211441237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38459 + ... + 62465.

It is an arithmetic number, because the mean of its divisors is an integer number (118623528).

Almost surely, 2^1211441234 is an apocalyptic number.

1211441234 is a deficient number, since it is larger than the sum of its proper divisors (686535214).

1211441234 is a wasteful number, since it uses less digits than its factorization.

1211441234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25129.

The product of its digits is 768, while the sum is 23.

The square root of 1211441234 is about 34805.7643789071. The cubic root of 1211441234 is about 1066.0251493890.

Adding to 1211441234 its reverse (4321441121), we get a palindrome (5532882355).

The spelling of 1211441234 in words is "one billion, two hundred eleven million, four hundred forty-one thousand, two hundred thirty-four".