255120102 has 48 divisors (see below), whose sum is σ = 562975920. Its totient is φ = 83483136.

The previous prime is 255120101. The next prime is 255120109. The reversal of 255120102 is 201021552.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255120101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 260638 + ... + 261614.

It is an arithmetic number, because the mean of its divisors is an integer number (11728665).

Almost surely, 2^255120102 is an apocalyptic number.

255120102 is an abundant number, since it is smaller than the sum of its proper divisors (307855818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255120102 is a wasteful number, since it uses less digits than its factorization.

255120102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237 (or 1234 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 255120102 is about 15972.4795194735. The cubic root of 255120102 is about 634.2321112394.

Adding to 255120102 its reverse (201021552), we get a palindrome (456141654).

The spelling of 255120102 in words is "two hundred fifty-five million, one hundred twenty thousand, one hundred two".