1141023212 has 72 divisors (see below), whose sum is σ = 2417461200. Its totient is φ = 469289856.

The previous prime is 1141023181. The next prime is 1141023229. The reversal of 1141023212 is 2123201411.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1119239 + ... + 1120257.

It is an arithmetic number, because the mean of its divisors is an integer number (33575850).

Almost surely, 2^1141023212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1141023212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1208730600).

1141023212 is an abundant number, since it is smaller than the sum of its proper divisors (1276437988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1141023212 is a wasteful number, since it uses less digits than its factorization.

1141023212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263 (or 1254 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1141023212 is about 33779.0350957513. The cubic root of 1141023212 is about 1044.9563749407.

Adding to 1141023212 its reverse (2123201411), we get a palindrome (3264224623).

The spelling of 1141023212 in words is "one billion, one hundred forty-one million, twenty-three thousand, two hundred twelve".