102652242 has 64 divisors (see below), whose sum is σ = 259144704. Its totient is φ = 26331840.

The previous prime is 102652229. The next prime is 102652247. The reversal of 102652242 is 242256201.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (102652247) 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 31 ways as a sum of consecutive naturals, for example, 37008 + ... + 39684.

It is an arithmetic number, because the mean of its divisors is an integer number (4049136).

Almost surely, 2^102652242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102652242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129572352).

102652242 is an abundant number, since it is smaller than the sum of its proper divisors (156492462).

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

102652242 is a wasteful number, since it uses less digits than its factorization.

102652242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2783.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 102652242 is about 10131.7442723353. The cubic root of 102652242 is about 468.2266689989.

The spelling of 102652242 in words is "one hundred two million, six hundred fifty-two thousand, two hundred forty-two".