102881630 has 16 divisors (see below), whose sum is σ = 187022304. Its totient is φ = 40744800.

The previous prime is 102881617. The next prime is 102881633. The reversal of 102881630 is 36188201.

It is a junction number, because it is equal to n+sod(n) for n = 102881593 and 102881602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102881633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49922 + ... + 51941.

It is an arithmetic number, because the mean of its divisors is an integer number (11688894).

Almost surely, 2^102881630 is an apocalyptic number.

102881630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102881630 is a deficient number, since it is larger than the sum of its proper divisors (84140674).

102881630 is a wasteful number, since it uses less digits than its factorization.

102881630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101971.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 102881630 is about 10143.0582173228. The cubic root of 102881630 is about 468.5751779483.

The spelling of 102881630 in words is "one hundred two million, eight hundred eighty-one thousand, six hundred thirty".