102115122 has 16 divisors (see below), whose sum is σ = 204379392. Its totient is φ = 34013520.

The previous prime is 102115121. The next prime is 102115151. The reversal of 102115122 is 221511201.

It is not an unprimeable number, because it can be changed into a prime (102115121) 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, 3972 + ... + 14832.

It is an arithmetic number, because the mean of its divisors is an integer number (12773712).

Almost surely, 2^102115122 is an apocalyptic number.

102115122 is an abundant number, since it is smaller than the sum of its proper divisors (102264270).

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

102115122 is a wasteful number, since it uses less digits than its factorization.

102115122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12433.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 102115122 is about 10105.2027193916. The cubic root of 102115122 is about 467.4085870815.

Adding to 102115122 its reverse (221511201), we get a palindrome (323626323).

The spelling of 102115122 in words is "one hundred two million, one hundred fifteen thousand, one hundred twenty-two".