101002104 has 48 divisors (see below), whose sum is σ = 312627120. Its totient is φ = 28857600.

The previous prime is 101002103. The next prime is 101002127. The reversal of 101002104 is 401200101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101002103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99697 + ... + 100704.

It is an arithmetic number, because the mean of its divisors is an integer number (6513065).

Almost surely, 2^101002104 is an apocalyptic number.

101002104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

101002104 is an abundant number, since it is smaller than the sum of its proper divisors (211625016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101002104 is a wasteful number, since it uses less digits than its factorization.

101002104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200420 (or 200413 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 101002104 is about 10049.9802984882. The cubic root of 101002104 is about 465.7041845361.

Adding to 101002104 its reverse (401200101), we get a palindrome (502202205).

The spelling of 101002104 in words is "one hundred one million, two thousand, one hundred four".