102071502 has 80 divisors (see below), whose sum is σ = 260889552. Its totient is φ = 29548800.

The previous prime is 102071471. The next prime is 102071521. The reversal of 102071502 is 205170201.

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 39 ways as a sum of consecutive naturals, for example, 34377 + ... + 37227.

Almost surely, 2^102071502 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102071502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130444776).

102071502 is an abundant number, since it is smaller than the sum of its proper divisors (158818050).

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

102071502 is a wasteful number, since it uses less digits than its factorization.

102071502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2895 (or 2886 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 102071502 is about 10103.0441946970. The cubic root of 102071502 is about 467.3420240824.

The spelling of 102071502 in words is "one hundred two million, seventy-one thousand, five hundred two".