102123254 has 8 divisors (see below), whose sum is σ = 153527400. Its totient is φ = 50947456.

The previous prime is 102123247. The next prime is 102123257. The reversal of 102123254 is 452321201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102123257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55964 + ... + 57759.

It is an arithmetic number, because the mean of its divisors is an integer number (19190925).

Almost surely, 2^102123254 is an apocalyptic number.

102123254 is a deficient number, since it is larger than the sum of its proper divisors (51404146).

102123254 is a wasteful number, since it uses less digits than its factorization.

102123254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114174.

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

The square root of 102123254 is about 10105.6050783711. The cubic root of 102123254 is about 467.4209942081.

Adding to 102123254 its reverse (452321201), we get a palindrome (554444455).

The spelling of 102123254 in words is "one hundred two million, one hundred twenty-three thousand, two hundred fifty-four".