1131302148 has 48 divisors (see below), whose sum is σ = 2671119360. Its totient is φ = 372629664.

The previous prime is 1131302147. The next prime is 1131302149. The reversal of 1131302148 is 8412031311.

It is an interprime number because it is at equal distance from previous prime (1131302147) and next prime (1131302149).

It is not an unprimeable number, because it can be changed into a prime (1131302147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 897943 + ... + 899201.

It is an arithmetic number, because the mean of its divisors is an integer number (55648320).

Almost surely, 2^1131302148 is an apocalyptic number.

It is an amenable number.

1131302148 is an abundant number, since it is smaller than the sum of its proper divisors (1539817212).

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

1131302148 is a wasteful number, since it uses less digits than its factorization.

1131302148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2096 (or 2094 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 1131302148 is about 33634.8353348132. The cubic root of 1131302148 is about 1041.9803698273.

Adding to 1131302148 its reverse (8412031311), we get a palindrome (9543333459).

The spelling of 1131302148 in words is "one billion, one hundred thirty-one million, three hundred two thousand, one hundred forty-eight".