1081667248 has 60 divisors (see below), whose sum is σ = 2191844088. Its totient is φ = 516805120.

The previous prime is 1081667243. The next prime is 1081667261. The reversal of 1081667248 is 8427661801.

It is not an unprimeable number, because it can be changed into a prime (1081667243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1842411 + ... + 1842997.

Almost surely, 2^1081667248 is an apocalyptic number.

It is an amenable number.

1081667248 is an abundant number, since it is smaller than the sum of its proper divisors (1110176840).

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

1081667248 is an equidigital number, since it uses as much as digits as its factorization.

1081667248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742 (or 683 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 43.

The square root of 1081667248 is about 32888.7100385527. The cubic root of 1081667248 is about 1026.5132510028.

The spelling of 1081667248 in words is "one billion, eighty-one million, six hundred sixty-seven thousand, two hundred forty-eight".