1042004101 has 4 divisors (see below), whose sum is σ = 1070166412. Its totient is φ = 1013841792.

The previous prime is 1042004087. The next prime is 1042004111. The reversal of 1042004101 is 1014002401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1014002401 = 97 ⋅10453633.

It can be written as a sum of positive squares in 2 ways, for example, as 673402500 + 368601601 = 25950^2 + 19199^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1042004101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042004111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14081100 + ... + 14081173.

It is an arithmetic number, because the mean of its divisors is an integer number (267541603).

Almost surely, 2^1042004101 is an apocalyptic number.

It is an amenable number.

1042004101 is a deficient number, since it is larger than the sum of its proper divisors (28162311).

1042004101 is an equidigital number, since it uses as much as digits as its factorization.

1042004101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28162310.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1042004101 is about 32280.0883053315. The cubic root of 1042004101 is about 1013.8097791132.

Adding to 1042004101 its reverse (1014002401), we get a palindrome (2056006502).

The spelling of 1042004101 in words is "one billion, forty-two million, four thousand, one hundred one".