102130346 has 4 divisors (see below), whose sum is σ = 153195522. Its totient is φ = 51065172.

The previous prime is 102130333. The next prime is 102130361. The reversal of 102130346 is 643031201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 102111025 + 19321 = 10105^2 + 139^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25532585 + ... + 25532588.

Almost surely, 2^102130346 is an apocalyptic number.

102130346 is a deficient number, since it is larger than the sum of its proper divisors (51065176).

102130346 is an equidigital number, since it uses as much as digits as its factorization.

102130346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51065175.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 102130346 is about 10105.9559666565. The cubic root of 102130346 is about 467.4318140519.

Adding to 102130346 its reverse (643031201), we get a palindrome (745161547).

The spelling of 102130346 in words is "one hundred two million, one hundred thirty thousand, three hundred forty-six".