1081748507 has 4 divisors (see below), whose sum is σ = 1236284016. Its totient is φ = 927213000.

The previous prime is 1081748483. The next prime is 1081748509. The reversal of 1081748507 is 7058471801.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1081748507 - 2¹⁸ = 1081486363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1081748509) 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 3 ways as a sum of consecutive naturals, for example, 77267744 + ... + 77267757.

It is an arithmetic number, because the mean of its divisors is an integer number (309071004).

Almost surely, 2^1081748507 is an apocalyptic number.

1081748507 is a deficient number, since it is larger than the sum of its proper divisors (154535509).

1081748507 is an equidigital number, since it uses as much as digits as its factorization.

1081748507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154535508.

The product of its (nonzero) digits is 62720, while the sum is 41.

The square root of 1081748507 is about 32889.9453784892. The cubic root of 1081748507 is about 1026.5389555657.

The spelling of 1081748507 in words is "one billion, eighty-one million, seven hundred forty-eight thousand, five hundred seven".