101240532 has 18 divisors (see below), whose sum is σ = 255913658. Its totient is φ = 33746832.

The previous prime is 101240527. The next prime is 101240563. The reversal of 101240532 is 235042101.

101240532 is a `hidden beast` number, since 10 + 124 + 0 + 532 = 666.

It can be written as a sum of positive squares in only one way, i.e., 98128836 + 3111696 = 9906^2 + 1764^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1406083 + ... + 1406154.

Almost surely, 2^101240532 is an apocalyptic number.

101240532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101240532 is an abundant number, since it is smaller than the sum of its proper divisors (154673126).

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

101240532 is a wasteful number, since it uses less digits than its factorization.

101240532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2812247 (or 2812242 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 101240532 is about 10061.8354190476. The cubic root of 101240532 is about 466.0703474020.

Adding to 101240532 its reverse (235042101), we get a palindrome (336282633).

The spelling of 101240532 in words is "one hundred one million, two hundred forty thousand, five hundred thirty-two".