1141212120 has 64 divisors (see below), whose sum is σ = 3437929440. Its totient is φ = 303052800.

The previous prime is 1141212071. The next prime is 1141212169. The reversal of 1141212120 is 212121411.

It is an interprime number because it is at equal distance from previous prime (1141212071) and next prime (1141212169).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1141212120.

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 15 ways as a sum of consecutive naturals, for example, 9190 + ... + 48650.

Almost surely, 2^1141212120 is an apocalyptic number.

1141212120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1141212120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1718964720).

1141212120 is an abundant number, since it is smaller than the sum of its proper divisors (2296717320).

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

1141212120 is a wasteful number, since it uses less digits than its factorization.

1141212120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39716 (or 39712 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 1141212120 is about 33781.8312114663. The cubic root of 1141212120 is about 1045.0140394777.

Adding to 1141212120 its reverse (212121411), we get a palindrome (1353333531).

It can be divided in two parts, 11412 and 12120, that added together give a palindrome (23532).

The spelling of 1141212120 in words is "one billion, one hundred forty-one million, two hundred twelve thousand, one hundred twenty".