1042100047 has 2 divisors, whose sum is σ = 1042100048. Its totient is φ = 1042100046.

The previous prime is 1042100041. The next prime is 1042100053. The reversal of 1042100047 is 7400012401.

It is a balanced prime because it is at equal distance from previous prime (1042100041) and next prime (1042100053).

It is a cyclic number.

It is not a de Polignac number, because 1042100047 - 2¹¹ = 1042097999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1042099997 and 1042100033.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042100041) 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 as a sum of consecutive naturals, namely, 521050023 + 521050024.

It is an arithmetic number, because the mean of its divisors is an integer number (521050024).

Almost surely, 2^1042100047 is an apocalyptic number.

1042100047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042100047 is an equidigital number, since it uses as much as digits as its factorization.

1042100047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 1042100047 is about 32281.5744194734. The cubic root of 1042100047 is about 1013.8408947961.

Adding to 1042100047 its reverse (7400012401), we get a palindrome (8442112448).

The spelling of 1042100047 in words is "one billion, forty-two million, one hundred thousand, forty-seven".