101001004 has 24 divisors (see below), whose sum is σ = 198626400. Its totient is φ = 44588544.

The previous prime is 101001001. The next prime is 101001011. The reversal of 101001004 is 400100101.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (101001001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41029 + ... + 43420.

It is an arithmetic number, because the mean of its divisors is an integer number (8276100).

Almost surely, 2^101001004 is an apocalyptic number.

It is an amenable number.

101001004 is a deficient number, since it is larger than the sum of its proper divisors (97625396).

101001004 is a wasteful number, since it uses less digits than its factorization.

101001004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84489 (or 84487 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 101001004 is about 10049.9255718637. The cubic root of 101001004 is about 465.7024938900.

Adding to 101001004 its reverse (400100101), we get a palindrome (501101105).

The spelling of 101001004 in words is "one hundred one million, one thousand, four".