1141532120 has 16 divisors (see below), whose sum is σ = 2568447360. Its totient is φ = 456612832.

The previous prime is 1141532069. The next prime is 1141532123. The reversal of 1141532120 is 212351411.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1141532092 and 1141532101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141532123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14269112 + ... + 14269191.

It is an arithmetic number, because the mean of its divisors is an integer number (160527960).

Almost surely, 2^1141532120 is an apocalyptic number.

1141532120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1141532120 is an abundant number, since it is smaller than the sum of its proper divisors (1426915240).

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

1141532120 is a wasteful number, since it uses less digits than its factorization.

1141532120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28538314 (or 28538310 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1141532120 is about 33786.5671532341. The cubic root of 1141532120 is about 1045.1117055866. Note that the first 3 decimals are identical.

Adding to 1141532120 its reverse (212351411), we get a palindrome (1353883531).

The spelling of 1141532120 in words is "one billion, one hundred forty-one million, five hundred thirty-two thousand, one hundred twenty".