102540330 has 80 divisors (see below), whose sum is σ = 279759744. Its totient is φ = 26943840.

The previous prime is 102540313. The next prime is 102540367. The reversal of 102540330 is 33045201.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 56619 + ... + 58401.

Almost surely, 2^102540330 is an apocalyptic number.

102540330 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 102540330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139879872).

102540330 is an abundant number, since it is smaller than the sum of its proper divisors (177219414).

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

102540330 is a wasteful number, since it uses less digits than its factorization.

102540330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1873 (or 1864 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 102540330 is about 10126.2199265076. The cubic root of 102540330 is about 468.0564527562.

Adding to 102540330 its reverse (33045201), we get a palindrome (135585531).

The spelling of 102540330 in words is "one hundred two million, five hundred forty thousand, three hundred thirty".