1004820101 has 8 divisors (see below), whose sum is σ = 1042099320. Its totient is φ = 967716288.

The previous prime is 1004820077. The next prime is 1004820127. The reversal of 1004820101 is 1010284001.

It can be written as a sum of positive squares in 4 ways, for example, as 503104900 + 501715201 = 22430^2 + 22399^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1004820101 is a prime.

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 1004820101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004820151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32126 + ... + 55151.

It is an arithmetic number, because the mean of its divisors is an integer number (130262415).

Almost surely, 2^1004820101 is an apocalyptic number.

It is an amenable number.

1004820101 is a deficient number, since it is larger than the sum of its proper divisors (37279219).

1004820101 is an equidigital number, since it uses as much as digits as its factorization.

1004820101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87703.

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 1004820101 is about 31698.8974729406. The cubic root of 1004820101 is about 1001.6041257380.

The spelling of 1004820101 in words is "one billion, four million, eight hundred twenty thousand, one hundred one".