1081435248 has 60 divisors (see below), whose sum is σ = 3124159168. Its totient is φ = 348848640.

The previous prime is 1081435237. The next prime is 1081435301. The reversal of 1081435248 is 8425341801.

1081435248 is a `hidden beast` number, since 10 + 81 + 43 + 524 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 116665 + ... + 125592.

Almost surely, 2^1081435248 is an apocalyptic number.

1081435248 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1081435248 is an abundant number, since it is smaller than the sum of its proper divisors (2042723920).

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

1081435248 is a wasteful number, since it uses less digits than its factorization.

1081435248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242302 (or 242293 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 1081435248 is about 32885.1828032018. The cubic root of 1081435248 is about 1026.4398556330.

The spelling of 1081435248 in words is "one billion, eighty-one million, four hundred thirty-five thousand, two hundred forty-eight".