103287240 has 192 divisors, whose sum is σ = 406373760. Its totient is φ = 22210560.

The previous prime is 103287221. The next prime is 103287277. The reversal of 103287240 is 42782301.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 41635 + ... + 44045.

It is an arithmetic number, because the mean of its divisors is an integer number (2116530).

Almost surely, 2^103287240 is an apocalyptic number.

103287240 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 103287240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203186880).

103287240 is an abundant number, since it is smaller than the sum of its proper divisors (303086520).

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

103287240 is a wasteful number, since it uses less digits than its factorization.

103287240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2452 (or 2445 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 103287240 is about 10163.0330118523. The cubic root of 103287240 is about 469.1901550994.

The spelling of 103287240 in words is "one hundred three million, two hundred eighty-seven thousand, two hundred forty".