102010120 has 16 divisors (see below), whose sum is σ = 229522860. Its totient is φ = 40804032.

The previous prime is 102010099. The next prime is 102010123. The reversal of 102010120 is 21010201.

It can be written as a sum of positive squares in 2 ways, for example, as 97574884 + 4435236 = 9878^2 + 2106^2 .

It is not an unprimeable number, because it can be changed into a prime (102010123) 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, 1275087 + ... + 1275166.

Almost surely, 2^102010120 is an apocalyptic number.

102010120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102010120 is an abundant number, since it is smaller than the sum of its proper divisors (127512740).

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

102010120 is a wasteful number, since it uses less digits than its factorization.

102010120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2550264 (or 2550260 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 102010120 is about 10100.0059405923. The cubic root of 102010120 is about 467.2483246012.

Adding to 102010120 its reverse (21010201), we get a palindrome (123020321).

The spelling of 102010120 in words is "one hundred two million, ten thousand, one hundred twenty".