102061315 has 4 divisors (see below), whose sum is σ = 122473584. Its totient is φ = 81649048.

The previous prime is 102061313. The next prime is 102061343. The reversal of 102061315 is 513160201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 513160201 = 557 ⋅921293.

It is a cyclic number.

It is not a de Polignac number, because 102061315 - 2¹ = 102061313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102061292 and 102061301.

It is not an unprimeable number, because it can be changed into a prime (102061313) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 10206127 + ... + 10206136.

It is an arithmetic number, because the mean of its divisors is an integer number (30618396).

Almost surely, 2^102061315 is an apocalyptic number.

102061315 is a deficient number, since it is larger than the sum of its proper divisors (20412269).

102061315 is an equidigital number, since it uses as much as digits as its factorization.

102061315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20412268.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 102061315 is about 10102.5400271417. The cubic root of 102061315 is about 467.3264762508.

The spelling of 102061315 in words is "one hundred two million, sixty-one thousand, three hundred fifteen".