102236040 has 128 divisors (see below), whose sum is σ = 343324800. Its totient is φ = 27060480.

The previous prime is 102236023. The next prime is 102236053. The reversal of 102236040 is 40632201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 195219 + ... + 195741.

It is an arithmetic number, because the mean of its divisors is an integer number (2682225).

Almost surely, 2^102236040 is an apocalyptic number.

102236040 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 102236040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171662400).

102236040 is an abundant number, since it is smaller than the sum of its proper divisors (241088760).

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

102236040 is a wasteful number, since it uses less digits than its factorization.

102236040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724 (or 714 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 102236040 is about 10111.1839069419. The cubic root of 102236040 is about 467.5930057936.

Adding to 102236040 its reverse (40632201), we get a palindrome (142868241).

The spelling of 102236040 in words is "one hundred two million, two hundred thirty-six thousand, forty".