1081628 has 6 divisors (see below), whose sum is σ = 1892856. Its totient is φ = 540812.

The previous prime is 1081583. The next prime is 1081631. The reversal of 1081628 is 8261801.

It is a junction number, because it is equal to n+sod(n) for n = 1081597 and 1081606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135200 + ... + 135207.

It is an arithmetic number, because the mean of its divisors is an integer number (315476).

2^1081628 is an apocalyptic number.

It is an amenable number.

1081628 is a deficient number, since it is larger than the sum of its proper divisors (811228).

1081628 is a wasteful number, since it uses less digits than its factorization.

1081628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270411 (or 270409 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 1081628 is about 1040.0134614513. The cubic root of 1081628 is about 102.6500835268.

The spelling of 1081628 in words is "one million, eighty-one thousand, six hundred twenty-eight".