101047572 has 36 divisors (see below), whose sum is σ = 255926580. Its totient is φ = 33616512.

The previous prime is 101047561. The next prime is 101047577. The reversal of 101047572 is 275740101.

It can be written as a sum of positive squares in 2 ways, for example, as 23677956 + 77369616 = 4866^2 + 8796^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×101047572² = 20421223614190368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101047577) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18018 + ... + 22950.

Almost surely, 2^101047572 is an apocalyptic number.

101047572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101047572 is an abundant number, since it is smaller than the sum of its proper divisors (154879008).

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

101047572 is a wasteful number, since it uses less digits than its factorization.

101047572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5512 (or 5507 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 101047572 is about 10052.2421379511. The cubic root of 101047572 is about 465.7740558901.

Adding to 101047572 its reverse (275740101), we get a palindrome (376787673).

The spelling of 101047572 in words is "one hundred one million, forty-seven thousand, five hundred seventy-two".