102030135 has 16 divisors (see below), whose sum is σ = 163459296. Its totient is φ = 54345728.

The previous prime is 102030121. The next prime is 102030143. The reversal of 102030135 is 531030201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 102030135 - 2⁴ = 102030119 is a prime.

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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8887 + ... + 16823.

It is an arithmetic number, because the mean of its divisors is an integer number (10216206).

Almost surely, 2^102030135 is an apocalyptic number.

102030135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

102030135 is a deficient number, since it is larger than the sum of its proper divisors (61429161).

102030135 is an equidigital number, since it uses as much as digits as its factorization.

102030135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8802.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 102030135 is about 10100.9967329962. The cubic root of 102030135 is about 467.2788815814.

Adding to 102030135 its reverse (531030201), we get a palindrome (633060336).

The spelling of 102030135 in words is "one hundred two million, thirty thousand, one hundred thirty-five".