102971850 has 24 divisors (see below), whose sum is σ = 255370560. Its totient is φ = 27459120.

The previous prime is 102971833. The next prime is 102971857. The reversal of 102971850 is 58179201.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (102971857) 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 11 ways as a sum of consecutive naturals, for example, 343090 + ... + 343389.

It is an arithmetic number, because the mean of its divisors is an integer number (10640440).

Almost surely, 2^102971850 is an apocalyptic number.

102971850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102971850 is an abundant number, since it is smaller than the sum of its proper divisors (152398710).

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

102971850 is a wasteful number, since it uses less digits than its factorization.

102971850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686494 (or 686489 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 33.

The square root of 102971850 is about 10147.5046193633. The cubic root of 102971850 is about 468.7121071591.

The spelling of 102971850 in words is "one hundred two million, nine hundred seventy-one thousand, eight hundred fifty".