102820846 has 8 divisors (see below), whose sum is σ = 154321344. Its totient is φ = 51380400.

The previous prime is 102820841. The next prime is 102820853. The reversal of 102820846 is 648028201.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102820841) 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, 10455 + ... + 17746.

It is an arithmetic number, because the mean of its divisors is an integer number (19290168).

Almost surely, 2^102820846 is an apocalyptic number.

102820846 is a deficient number, since it is larger than the sum of its proper divisors (51500498).

102820846 is a wasteful number, since it uses less digits than its factorization.

102820846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30026.

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 102820846 is about 10140.0614396561. The cubic root of 102820846 is about 468.4828793697.

The spelling of 102820846 in words is "one hundred two million, eight hundred twenty thousand, eight hundred forty-six".