102790122 has 8 divisors (see below), whose sum is σ = 205580256. Its totient is φ = 34263372.

The previous prime is 102790099. The next prime is 102790147. The reversal of 102790122 is 221097201.

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

102790122 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 102790092 and 102790101.

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 3 ways as a sum of consecutive naturals, for example, 8565838 + ... + 8565849.

It is an arithmetic number, because the mean of its divisors is an integer number (25697532).

Almost surely, 2^102790122 is an apocalyptic number.

102790122 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.

102790122 is a wasteful number, since it uses less digits than its factorization.

102790122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17131692.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 102790122 is about 10138.5463455073. The cubic root of 102790122 is about 468.4362121084.

The spelling of 102790122 in words is "one hundred two million, seven hundred ninety thousand, one hundred twenty-two".