102621030 has 16 divisors (see below), whose sum is σ = 246290544. Its totient is φ = 27365600.

The previous prime is 102621011. The next prime is 102621041. The reversal of 102621030 is 30126201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1710321 + ... + 1710380.

It is an arithmetic number, because the mean of its divisors is an integer number (15393159).

Almost surely, 2^102621030 is an apocalyptic number.

102621030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102621030 is an abundant number, since it is smaller than the sum of its proper divisors (143669514).

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

102621030 is a wasteful number, since it uses less digits than its factorization.

102621030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3420711.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 102621030 is about 10130.2038478996. The cubic root of 102621030 is about 468.1792085248.

Adding to 102621030 its reverse (30126201), we get a palindrome (132747231).

The spelling of 102621030 in words is "one hundred two million, six hundred twenty-one thousand, thirty".