1141212144 has 40 divisors (see below), whose sum is σ = 2955025152. Its totient is φ = 379514560.

The previous prime is 1141212071. The next prime is 1141212169. The reversal of 1141212144 is 4412121411.

It is a super-2 number, since 2×1141212144² = 2604730315226153472, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 1141212144.

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 7 ways as a sum of consecutive naturals, for example, 6894 + ... + 48269.

Almost surely, 2^1141212144 is an apocalyptic number.

It is an amenable number.

1141212144 is an abundant number, since it is smaller than the sum of its proper divisors (1813813008).

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

1141212144 is a wasteful number, since it uses less digits than its factorization.

1141212144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55605 (or 55599 counting only the distinct ones).

The product of its digits is 256, while the sum is 21.

The square root of 1141212144 is about 33781.8315666868. The cubic root of 1141212144 is about 1045.0140468034.

Adding to 1141212144 its reverse (4412121411), we get a palindrome (5553333555).

The spelling of 1141212144 in words is "one billion, one hundred forty-one million, two hundred twelve thousand, one hundred forty-four".