102101230 has 64 divisors (see below), whose sum is σ = 231662592. Its totient is φ = 31472640.

The previous prime is 102101213. The next prime is 102101239. The reversal of 102101230 is 32101201.

It is a super-2 number, since 2×102101230² = 20849322335025800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102101239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74007 + ... + 75373.

It is an arithmetic number, because the mean of its divisors is an integer number (3619728).

Almost surely, 2^102101230 is an apocalyptic number.

102101230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102101230 is an abundant number, since it is smaller than the sum of its proper divisors (129561362).

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

102101230 is a wasteful number, since it uses less digits than its factorization.

102101230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1489.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 102101230 is about 10104.5153273178. The cubic root of 102101230 is about 467.3873903040.

Adding to 102101230 its reverse (32101201), we get a palindrome (134202431).

The spelling of 102101230 in words is "one hundred two million, one hundred one thousand, two hundred thirty".