101533240 has 16 divisors (see below), whose sum is σ = 228449880. Its totient is φ = 40613280.

The previous prime is 101533199. The next prime is 101533259. The reversal of 101533240 is 42335101.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1269126 + ... + 1269205.

Almost surely, 2^101533240 is an apocalyptic number.

101533240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101533240 is an abundant number, since it is smaller than the sum of its proper divisors (126916640).

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

101533240 is a wasteful number, since it uses less digits than its factorization.

101533240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2538342 (or 2538338 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 101533240 is about 10076.3703782662. The cubic root of 101533240 is about 466.5190848519.

Adding to 101533240 its reverse (42335101), we get a palindrome (143868341).

The spelling of 101533240 in words is "one hundred one million, five hundred thirty-three thousand, two hundred forty".