102559990 has 32 divisors (see below), whose sum is σ = 207458496. Its totient is φ = 36220800.

The previous prime is 102559987. The next prime is 102560009. The reversal of 102559990 is 99955201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14161 + ... + 20140.

It is an arithmetic number, because the mean of its divisors is an integer number (6483078).

Almost surely, 2^102559990 is an apocalyptic number.

102559990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102559990 is an abundant number, since it is smaller than the sum of its proper divisors (104898506).

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

102559990 is a wasteful number, since it uses less digits than its factorization.

102559990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34344.

The product of its (nonzero) digits is 36450, while the sum is 40.

The square root of 102559990 is about 10127.1906272174. The cubic root of 102559990 is about 468.0863642451.

It can be divided in two parts, 10 and 2559990, that added together give a 4-th power (2560000 = 40⁴).

The spelling of 102559990 in words is "one hundred two million, five hundred fifty-nine thousand, nine hundred ninety".