102730292 has 12 divisors (see below), whose sum is σ = 205460640. Its totient is φ = 44027256.

The previous prime is 102730291. The next prime is 102730301. The reversal of 102730292 is 292037201.

102730292 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102730291) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1834442 + ... + 1834497.

It is an arithmetic number, because the mean of its divisors is an integer number (17121720).

Almost surely, 2^102730292 is an apocalyptic number.

It is an amenable number.

102730292 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

102730292 is a wasteful number, since it uses less digits than its factorization.

102730292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3668950 (or 3668948 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 102730292 is about 10135.5952957880. The cubic root of 102730292 is about 468.3453085031.

Adding to 102730292 its reverse (292037201), we get a palindrome (394767493).

The spelling of 102730292 in words is "one hundred two million, seven hundred thirty thousand, two hundred ninety-two".