1081451748 has 48 divisors (see below), whose sum is σ = 2719636416. Its totient is φ = 332492160.

The previous prime is 1081451681. The next prime is 1081451809. The reversal of 1081451748 is 8471541801.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

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, 310738 + ... + 314198.

It is an arithmetic number, because the mean of its divisors is an integer number (56659092).

Almost surely, 2^1081451748 is an apocalyptic number.

It is an amenable number.

1081451748 is an abundant number, since it is smaller than the sum of its proper divisors (1638184668).

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

1081451748 is a wasteful number, since it uses less digits than its factorization.

1081451748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5484 (or 5482 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 39.

The square root of 1081451748 is about 32885.4336751091. The cubic root of 1081451748 is about 1026.4450759091.

The spelling of 1081451748 in words is "one billion, eighty-one million, four hundred fifty-one thousand, seven hundred forty-eight".