102061215 has 48 divisors (see below), whose sum is σ = 184923648. Its totient is φ = 53999136.

The previous prime is 102061171. The next prime is 102061241. The reversal of 102061215 is 512160201.

It is not a de Polignac number, because 102061215 - 2⁷ = 102061087 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 202654 + ... + 203156.

It is an arithmetic number, because the mean of its divisors is an integer number (3852576).

Almost surely, 2^102061215 is an apocalyptic number.

102061215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

102061215 is a deficient number, since it is larger than the sum of its proper divisors (82862433).

102061215 is an equidigital number, since it uses as much as digits as its factorization.

102061215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690 (or 678 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 102061215 is about 10102.5350778901. The cubic root of 102061215 is about 467.3263236214.

The spelling of 102061215 in words is "one hundred two million, sixty-one thousand, two hundred fifteen".