102015652 has 6 divisors (see below), whose sum is σ = 178527398. Its totient is φ = 51007824.

The previous prime is 102015647. The next prime is 102015659. The reversal of 102015652 is 256510201.

It can be written as a sum of positive squares in only one way, i.e., 101929216 + 86436 = 10096^2 + 294^2 .

It is not an unprimeable number, because it can be changed into a prime (102015659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12751953 + ... + 12751960.

Almost surely, 2^102015652 is an apocalyptic number.

It is an amenable number.

102015652 is a deficient number, since it is larger than the sum of its proper divisors (76511746).

102015652 is a wasteful number, since it uses less digits than its factorization.

102015652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25503917 (or 25503915 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 102015652 is about 10100.2797981046. The cubic root of 102015652 is about 467.2567707273.

Adding to 102015652 its reverse (256510201), we get a palindrome (358525853).

The spelling of 102015652 in words is "one hundred two million, fifteen thousand, six hundred fifty-two".