105001240 has 32 divisors (see below), whose sum is σ = 238470480. Its totient is φ = 41606272.

The previous prime is 105001223. The next prime is 105001271. The reversal of 105001240 is 42100501.

It is a super-2 number, since 2×105001240² = 22050520803075200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105001240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7987 + ... + 16546.

Almost surely, 2^105001240 is an apocalyptic number.

105001240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105001240 is an abundant number, since it is smaller than the sum of its proper divisors (133469240).

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

105001240 is a wasteful number, since it uses less digits than its factorization.

105001240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24651 (or 24647 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 105001240 is about 10247.0112715855. The cubic root of 105001240 is about 471.7712551483.

Adding to 105001240 its reverse (42100501), we get a palindrome (147101741).

The spelling of 105001240 in words is "one hundred five million, one thousand, two hundred forty".