102444130 has 16 divisors (see below), whose sum is σ = 184928184. Its totient is φ = 40860160.

The previous prime is 102444127. The next prime is 102444131. The reversal of 102444130 is 31444201.

It can be written as a sum of positive squares in 4 ways, for example, as 99062209 + 3381921 = 9953^2 + 1839^2 .

It is a super-3 number, since 3×102444130³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102444098 and 102444107.

It is not an unprimeable number, because it can be changed into a prime (102444131) 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, 10981 + ... + 18040.

Almost surely, 2^102444130 is an apocalyptic number.

102444130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102444130 is a deficient number, since it is larger than the sum of its proper divisors (82484054).

102444130 is a wasteful number, since it uses less digits than its factorization.

102444130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29381.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 102444130 is about 10121.4687669330. The cubic root of 102444130 is about 467.9100351822.

Adding to 102444130 its reverse (31444201), we get a palindrome (133888331).

It can be divided in two parts, 1024 and 44130, that added together give a palindrome (45154).

The spelling of 102444130 in words is "one hundred two million, four hundred forty-four thousand, one hundred thirty".