102120292 has 24 divisors (see below), whose sum is σ = 191109240. Its totient is φ = 47577600.

The previous prime is 102120203. The next prime is 102120301. The reversal of 102120292 is 292021201.

It can be written as a sum of positive squares in 4 ways, for example, as 41654116 + 60466176 = 6454^2 + 7776^2 .

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 in 7 ways as a sum of consecutive naturals, for example, 567 + ... + 14302.

It is an arithmetic number, because the mean of its divisors is an integer number (7962885).

Almost surely, 2^102120292 is an apocalyptic number.

It is an amenable number.

102120292 is a deficient number, since it is larger than the sum of its proper divisors (88988948).

102120292 is a wasteful number, since it uses less digits than its factorization.

102120292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14991 (or 14989 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 102120292 is about 10105.4585249755. The cubic root of 102120292 is about 467.4164751121.

Adding to 102120292 its reverse (292021201), we get a palindrome (394141493).

The spelling of 102120292 in words is "one hundred two million, one hundred twenty thousand, two hundred ninety-two".