1141432420 has 48 divisors (see below), whose sum is σ = 2460427200. Its totient is φ = 444560256.

The previous prime is 1141432417. The next prime is 1141432421. The reversal of 1141432420 is 242341411.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1141432391 and 1141432400.

It is not an unprimeable number, because it can be changed into a prime (1141432421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 298239 + ... + 302041.

It is an arithmetic number, because the mean of its divisors is an integer number (51258900).

Almost surely, 2^1141432420 is an apocalyptic number.

1141432420 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 1141432420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1230213600).

1141432420 is an abundant number, since it is smaller than the sum of its proper divisors (1318994780).

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

1141432420 is a wasteful number, since it uses less digits than its factorization.

1141432420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4204 (or 4202 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1141432420 is about 33785.0916825750. The cubic root of 1141432420 is about 1045.0812784472.

Adding to 1141432420 its reverse (242341411), we get a palindrome (1383773831).

It can be divided in two parts, 11414 and 32420, that added together give a palindrome (43834).

The spelling of 1141432420 in words is "one billion, one hundred forty-one million, four hundred thirty-two thousand, four hundred twenty".