1081374648 has 16 divisors (see below), whose sum is σ = 2703436680. Its totient is φ = 360458208.

The previous prime is 1081374629. The next prime is 1081374667. The reversal of 1081374648 is 8464731801.

It is an interprime number because it is at equal distance from previous prime (1081374629) and next prime (1081374667).

It is a super-2 number, since 2×1081374648² = 2338742258674247808, which contains 22 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22528615 + ... + 22528662.

Almost surely, 2^1081374648 is an apocalyptic number.

It is an amenable number.

1081374648 is an abundant number, since it is smaller than the sum of its proper divisors (1622062032).

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

1081374648 is a wasteful number, since it uses less digits than its factorization.

1081374648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45057286 (or 45057282 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 1081374648 is about 32884.2614026832. The cubic root of 1081374648 is about 1026.4206825273.

The spelling of 1081374648 in words is "one billion, eighty-one million, three hundred seventy-four thousand, six hundred forty-eight".