107243240 has 32 divisors (see below), whose sum is σ = 259859880. Its totient is φ = 39597312.

The previous prime is 107243233. The next prime is 107243251. The reversal of 107243240 is 42342701.

It can be written as a sum of positive squares in 4 ways, for example, as 98446084 + 8797156 = 9922^2 + 2966^2 .

It is a super-2 number, since 2×107243240² = 23002225051395200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102599 + ... + 103638.

Almost surely, 2^107243240 is an apocalyptic number.

107243240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

107243240 is an abundant number, since it is smaller than the sum of its proper divisors (152616640).

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

107243240 is a wasteful number, since it uses less digits than its factorization.

107243240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206261 (or 206257 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 107243240 is about 10355.8312075854. The cubic root of 107243240 is about 475.1054096626.

Adding to 107243240 its reverse (42342701), we get a palindrome (149585941).

The spelling of 107243240 in words is "one hundred seven million, two hundred forty-three thousand, two hundred forty".