1040122647 has 8 divisors (see below), whose sum is σ = 1540922480. Its totient is φ = 693415080.

The previous prime is 1040122637. The next prime is 1040122691. The reversal of 1040122647 is 7462210401.

1040122647 is a `hidden beast` number, since 1 + 0 + 4 + 0 + 12 + 2 + 647 = 666.

It is not a de Polignac number, because 1040122647 - 2¹² = 1040118551 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 38523061 = 1040122647 / (1 + 0 + 4 + 0 + 1 + 2 + 2 + 6 + 4 + 7).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1040122647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040122627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19261504 + ... + 19261557.

It is an arithmetic number, because the mean of its divisors is an integer number (192615310).

Almost surely, 2^1040122647 is an apocalyptic number.

1040122647 is a deficient number, since it is larger than the sum of its proper divisors (500799833).

1040122647 is an equidigital number, since it uses as much as digits as its factorization.

1040122647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38523070 (or 38523064 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 1040122647 is about 32250.9324981465. The cubic root of 1040122647 is about 1013.1992294859.

The spelling of 1040122647 in words is "one billion, forty million, one hundred twenty-two thousand, six hundred forty-seven".