102044013 has 8 divisors (see below), whose sum is σ = 144062208. Its totient is φ = 64027584.

The previous prime is 102044009. The next prime is 102044021. The reversal of 102044013 is 310440201.

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

It is not a de Polignac number, because 102044013 - 2² = 102044009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102043983 and 102044001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102044023) 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, 1000381 + ... + 1000482.

It is an arithmetic number, because the mean of its divisors is an integer number (18007776).

Almost surely, 2^102044013 is an apocalyptic number.

It is an amenable number.

102044013 is a deficient number, since it is larger than the sum of its proper divisors (42018195).

102044013 is a wasteful number, since it uses less digits than its factorization.

102044013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000883.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 102044013 is about 10101.6836715470. The cubic root of 102044013 is about 467.3000668333.

Adding to 102044013 its reverse (310440201), we get a palindrome (412484214).

The spelling of 102044013 in words is "one hundred two million, forty-four thousand, thirteen".