1141397248 has 36 divisors (see below), whose sum is σ = 2299683960. Its totient is φ = 565351424.

The previous prime is 1141397219. The next prime is 1141397261. The reversal of 1141397248 is 8427931411.

It is a self number, because there is not a number n which added to its sum of digits gives 1141397248.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6558 + ... + 48226.

It is an arithmetic number, because the mean of its divisors is an integer number (63880110).

Almost surely, 2^1141397248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1141397248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1149841980).

1141397248 is an abundant number, since it is smaller than the sum of its proper divisors (1158286712).

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

1141397248 is an equidigital number, since it uses as much as digits as its factorization.

1141397248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41792 (or 41778 counting only the distinct ones).

The product of its digits is 48384, while the sum is 40.

The square root of 1141397248 is about 33784.5711531166. The cubic root of 1141397248 is about 1045.0705439889.

The spelling of 1141397248 in words is "one billion, one hundred forty-one million, three hundred ninety-seven thousand, two hundred forty-eight".