101704520 has 32 divisors (see below), whose sum is σ = 230870520. Its totient is φ = 40320000.

The previous prime is 101704487. The next prime is 101704529. The reversal of 101704520 is 25407101.

It can be written as a sum of positive squares in 4 ways, for example, as 86007076 + 15697444 = 9274^2 + 3962^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 101704492 and 101704501.

It is not an unprimeable number, because it can be changed into a prime (101704529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6731 + ... + 15770.

Almost surely, 2^101704520 is an apocalyptic number.

101704520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101704520 is an abundant number, since it is smaller than the sum of its proper divisors (129166000).

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

101704520 is a wasteful number, since it uses less digits than its factorization.

101704520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22625 (or 22621 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 101704520 is about 10084.8658890438. The cubic root of 101704520 is about 466.7812666398.

It can be divided in two parts, 10170 and 4520, that multiplied together give a square (45968400 = 6780²).

The spelling of 101704520 in words is "one hundred one million, seven hundred four thousand, five hundred twenty".