1148862380 has 48 divisors (see below), whose sum is σ = 2561660640. Its totient is φ = 431305728.

The previous prime is 1148862367. The next prime is 1148862437. The reversal of 1148862380 is 832688411.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122291 + ... + 131349.

It is an arithmetic number, because the mean of its divisors is an integer number (53367930).

Almost surely, 2^1148862380 is an apocalyptic number.

1148862380 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 1148862380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1280830320).

1148862380 is an abundant number, since it is smaller than the sum of its proper divisors (1412798260).

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

1148862380 is a wasteful number, since it uses less digits than its factorization.

1148862380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9458 (or 9456 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 41.

The square root of 1148862380 is about 33894.8724735763. The cubic root of 1148862380 is about 1047.3439688761.

The spelling of 1148862380 in words is "one billion, one hundred forty-eight million, eight hundred sixty-two thousand, three hundred eighty".