102044087 has 4 divisors (see below), whose sum is σ = 102095160. Its totient is φ = 101993016.

The previous prime is 102044051. The next prime is 102044093. The reversal of 102044087 is 780440201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 780440201 = 823 ⋅948287.

It is a cyclic number.

It is not a de Polignac number, because 102044087 - 2⁶ = 102044023 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 (102047087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22412 + ... + 26577.

It is an arithmetic number, because the mean of its divisors is an integer number (25523790).

Almost surely, 2^102044087 is an apocalyptic number.

102044087 is a deficient number, since it is larger than the sum of its proper divisors (51073).

102044087 is an equidigital number, since it uses as much as digits as its factorization.

102044087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51072.

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 102044087 is about 10101.6873343021. The cubic root of 102044087 is about 467.3001797917.

Adding to 102044087 its reverse (780440201), we get a palindrome (882484288).

The spelling of 102044087 in words is "one hundred two million, forty-four thousand, eighty-seven".