102146730 has 64 divisors (see below), whose sum is σ = 281104128. Its totient is φ = 23270400.

The previous prime is 102146713. The next prime is 102146771. The reversal of 102146730 is 37641201.

It is a self number, because there is not a number n which added to its sum of digits gives 102146730.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83604 + ... + 84816.

It is an arithmetic number, because the mean of its divisors is an integer number (4392252).

Almost surely, 2^102146730 is an apocalyptic number.

102146730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 102146730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140552064).

102146730 is an abundant number, since it is smaller than the sum of its proper divisors (178957398).

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

102146730 is a wasteful number, since it uses less digits than its factorization.

102146730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1631.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 102146730 is about 10106.7665452409. The cubic root of 102146730 is about 467.4568082338.

Adding to 102146730 its reverse (37641201), we get a palindrome (139787931).

The spelling of 102146730 in words is "one hundred two million, one hundred forty-six thousand, seven hundred thirty".