1048412781 has 48 divisors (see below), whose sum is σ = 1696685760. Its totient is φ = 636012000.

The previous prime is 1048412779. The next prime is 1048412789. The reversal of 1048412781 is 1872148401.

It is not a de Polignac number, because 1048412781 - 2¹ = 1048412779 is a prime.

It is a super-2 number, since 2×1048412781² = 2198338718728307922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1048412789) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6943056 + ... + 6943206.

It is an arithmetic number, because the mean of its divisors is an integer number (35347620).

Almost surely, 2^1048412781 is an apocalyptic number.

It is an amenable number.

1048412781 is a deficient number, since it is larger than the sum of its proper divisors (648272979).

1048412781 is a wasteful number, since it uses less digits than its factorization.

1048412781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455 (or 298 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 36.

The square root of 1048412781 is about 32379.2029086573. The cubic root of 1048412781 is about 1015.8839577126.

The spelling of 1048412781 in words is "one billion, forty-eight million, four hundred twelve thousand, seven hundred eighty-one".