1141272840 has 32 divisors (see below), whose sum is σ = 3423818880. Its totient is φ = 304339392.

The previous prime is 1141272833. The next prime is 1141272859. The reversal of 1141272840 is 482721411.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1141272798 and 1141272807.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4755184 + ... + 4755423.

It is an arithmetic number, because the mean of its divisors is an integer number (106994340).

Almost surely, 2^1141272840 is an apocalyptic number.

1141272840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1141272840 is an abundant number, since it is smaller than the sum of its proper divisors (2282546040).

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

1141272840 is a wasteful number, since it uses less digits than its factorization.

1141272840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9510621 (or 9510617 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 1141272840 is about 33782.7299074542. The cubic root of 1141272840 is about 1045.0325730253.

The spelling of 1141272840 in words is "one billion, one hundred forty-one million, two hundred seventy-two thousand, eight hundred forty".