1881026073 has 12 divisors (see below), whose sum is σ = 2761580068. Its totient is φ = 1233459360.

The previous prime is 1881026053. The next prime is 1881026117. The reversal of 1881026073 is 3706201881.

It can be written as a sum of positive squares in 2 ways, for example, as 299532249 + 1581493824 = 17307^2 + 39768^2 .

It is not a de Polignac number, because 1881026073 - 2²¹ = 1878928921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1881026033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1712590 + ... + 1713687.

Almost surely, 2^1881026073 is an apocalyptic number.

It is an amenable number.

1881026073 is a deficient number, since it is larger than the sum of its proper divisors (880553995).

1881026073 is a wasteful number, since it uses less digits than its factorization.

1881026073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3426344 (or 3426341 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 1881026073 is about 43370.7974678815. The cubic root of 1881026073 is about 1234.4256532655.

The spelling of 1881026073 in words is "one billion, eight hundred eighty-one million, twenty-six thousand, seventy-three".