101403240 has 32 divisors (see below), whose sum is σ = 304210080. Its totient is φ = 27040832.

The previous prime is 101403233. The next prime is 101403271. The reversal of 101403240 is 42304101.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 422394 + ... + 422633.

It is an arithmetic number, because the mean of its divisors is an integer number (9506565).

Almost surely, 2^101403240 is an apocalyptic number.

101403240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101403240 is an abundant number, since it is smaller than the sum of its proper divisors (202806840).

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

101403240 is a wasteful number, since it uses less digits than its factorization.

101403240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845041 (or 845037 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 101403240 is about 10069.9175766240. The cubic root of 101403240 is about 466.3198943104.

Adding to 101403240 its reverse (42304101), we get a palindrome (143707341).

The spelling of 101403240 in words is "one hundred one million, four hundred three thousand, two hundred forty".