102125234 has 4 divisors (see below), whose sum is σ = 153187854. Its totient is φ = 51062616.

The previous prime is 102125227. The next prime is 102125249. The reversal of 102125234 is 432521201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 432521201 = 7 ⋅61788743.

It can be written as a sum of positive squares in only one way, i.e., 97515625 + 4609609 = 9875^2 + 2147^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 25531307 + ... + 25531310.

Almost surely, 2^102125234 is an apocalyptic number.

102125234 is a deficient number, since it is larger than the sum of its proper divisors (51062620).

102125234 is an equidigital number, since it uses as much as digits as its factorization.

102125234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51062619.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 102125234 is about 10105.7030433315. The cubic root of 102125234 is about 467.4240150271.

Adding to 102125234 its reverse (432521201), we get a palindrome (534646435).

The spelling of 102125234 in words is "one hundred two million, one hundred twenty-five thousand, two hundred thirty-four".