102530102 has 4 divisors (see below), whose sum is σ = 153795156. Its totient is φ = 51265050.

The previous prime is 102530093. The next prime is 102530107. The reversal of 102530102 is 201035201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 201035201 = 53 ⋅3793117.

It is a super-2 number, since 2×102530102² = 21024843632260808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102530107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25632524 + ... + 25632527.

It is an arithmetic number, because the mean of its divisors is an integer number (38448789).

Almost surely, 2^102530102 is an apocalyptic number.

102530102 is a deficient number, since it is larger than the sum of its proper divisors (51265054).

102530102 is an equidigital number, since it uses as much as digits as its factorization.

102530102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51265053.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 102530102 is about 10125.7148883425. The cubic root of 102530102 is about 468.0408899671.

Adding to 102530102 its reverse (201035201), we get a palindrome (303565303).

The spelling of 102530102 in words is "one hundred two million, five hundred thirty thousand, one hundred two".