102235740 has 96 divisors (see below), whose sum is σ = 294368256. Its totient is φ = 26503680.

The previous prime is 102235729. The next prime is 102235741. The reversal of 102235740 is 47532201.

It is a self number, because there is not a number n which added to its sum of digits gives 102235740.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102235741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 438664 + ... + 438896.

It is an arithmetic number, because the mean of its divisors is an integer number (3066336).

Almost surely, 2^102235740 is an apocalyptic number.

102235740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102235740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147184128).

102235740 is an abundant number, since it is smaller than the sum of its proper divisors (192132516).

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

102235740 is a wasteful number, since it uses less digits than its factorization.

102235740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419 (or 417 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 102235740 is about 10111.1690718729. The cubic root of 102235740 is about 467.5925484271.

Adding to 102235740 its reverse (47532201), we get a palindrome (149767941).

The spelling of 102235740 in words is "one hundred two million, two hundred thirty-five thousand, seven hundred forty".