1081948 has 24 divisors (see below), whose sum is σ = 2292192. Its totient is φ = 436224.

The previous prime is 1081939. The next prime is 1081979. The reversal of 1081948 is 8491801.

It is a super-2 number, since 2×1081948² = 2341222949408, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) 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 pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 661 + ... + 1612.

It is an arithmetic number, because the mean of its divisors is an integer number (95508).

2^1081948 is an apocalyptic number.

It is an amenable number.

1081948 is an abundant number, since it is smaller than the sum of its proper divisors (1210244).

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

1081948 is a wasteful number, since it uses less digits than its factorization.

1081948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2301 (or 2299 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 1081948 is about 1040.1672942368. The cubic root of 1081948 is about 102.6602055491.

The spelling of 1081948 in words is "one million, eighty-one thousand, nine hundred forty-eight".