102036240 has 160 divisors (see below), whose sum is σ = 355810560. Its totient is φ = 26873856.

The previous prime is 102036223. The next prime is 102036247. The reversal of 102036240 is 42630201.

It is a happy number.

It is a super-2 number, since 2×102036240² = 20822788546675200, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (102036247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 209277 + ... + 209763.

It is an arithmetic number, because the mean of its divisors is an integer number (2223816).

Almost surely, 2^102036240 is an apocalyptic number.

102036240 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 102036240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177905280).

102036240 is an abundant number, since it is smaller than the sum of its proper divisors (253774320).

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

102036240 is a wasteful number, since it uses less digits than its factorization.

102036240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606 (or 594 counting only the distinct ones).

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

The square root of 102036240 is about 10101.2989263758. The cubic root of 102036240 is about 467.2882013138.

Adding to 102036240 its reverse (42630201), we get a palindrome (144666441).

The spelling of 102036240 in words is "one hundred two million, thirty-six thousand, two hundred forty".