1061881028 has 24 divisors (see below), whose sum is σ = 2026577280. Its totient is φ = 483893280.

The previous prime is 1061881027. The next prime is 1061881031. The reversal of 1061881028 is 8201881601.

It is a super-2 number, since 2×1061881028² = 2255182635252673568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1061881027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125138 + ... + 133353.

It is an arithmetic number, because the mean of its divisors is an integer number (84440720).

Almost surely, 2^1061881028 is an apocalyptic number.

It is an amenable number.

1061881028 is a deficient number, since it is larger than the sum of its proper divisors (964696252).

1061881028 is a wasteful number, since it uses less digits than its factorization.

1061881028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258587 (or 258585 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 35.

The square root of 1061881028 is about 32586.5160457512. The cubic root of 1061881028 is about 1020.2155855985.

The spelling of 1061881028 in words is "one billion, sixty-one million, eight hundred eighty-one thousand, twenty-eight".