102441556 has 18 divisors (see below), whose sum is σ = 208542138. Its totient is φ = 43903440.

The previous prime is 102441533. The next prime is 102441583. The reversal of 102441556 is 655144201.

It can be written as a sum of positive squares in only one way, i.e., 84088900 + 18352656 = 9170^2 + 4284^2 .

It is a super-2 number, since 2×102441556² = 20988544791402272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 261135 + ... + 261526.

Almost surely, 2^102441556 is an apocalyptic number.

It is an amenable number.

102441556 is an abundant number, since it is smaller than the sum of its proper divisors (106100582).

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

102441556 is a wasteful number, since it uses less digits than its factorization.

102441556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522679 (or 522670 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 102441556 is about 10121.3416106759. The cubic root of 102441556 is about 467.9061162639.

Adding to 102441556 its reverse (655144201), we get a palindrome (757585757).

The spelling of 102441556 in words is "one hundred two million, four hundred forty-one thousand, five hundred fifty-six".