1141187748 has 24 divisors (see below), whose sum is σ = 2748668160. Its totient is φ = 368124960.

The previous prime is 1141187743. The next prime is 1141187759. The reversal of 1141187748 is 8477811411.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1141187743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1533483 + ... + 1534226.

It is an arithmetic number, because the mean of its divisors is an integer number (114527840).

Almost surely, 2^1141187748 is an apocalyptic number.

It is an amenable number.

1141187748 is an abundant number, since it is smaller than the sum of its proper divisors (1607480412).

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

1141187748 is a wasteful number, since it uses less digits than its factorization.

1141187748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3067747 (or 3067745 counting only the distinct ones).

The product of its digits is 50176, while the sum is 42.

The square root of 1141187748 is about 33781.4704830918. The cubic root of 1141187748 is about 1045.0066002346.

The spelling of 1141187748 in words is "one billion, one hundred forty-one million, one hundred eighty-seven thousand, seven hundred forty-eight".