102525720 has 192 divisors, whose sum is σ = 353928960. Its totient is φ = 23696640.

The previous prime is 102525713. The next prime is 102525721. The reversal of 102525720 is 27525201.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102525721) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 333807 + ... + 334113.

It is an arithmetic number, because the mean of its divisors is an integer number (1843380).

Almost surely, 2^102525720 is an apocalyptic number.

102525720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102525720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176964480).

102525720 is an abundant number, since it is smaller than the sum of its proper divisors (251403240).

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

102525720 is a wasteful number, since it uses less digits than its factorization.

102525720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366 (or 351 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 102525720 is about 10125.4985062465. The cubic root of 102525720 is about 468.0342220573.

The spelling of 102525720 in words is "one hundred two million, five hundred twenty-five thousand, seven hundred twenty".