102152005 has 16 divisors (see below), whose sum is σ = 126591984. Its totient is φ = 79073280.

The previous prime is 102151991. The next prime is 102152021. The reversal of 102152005 is 500251201.

It can be written as a sum of positive squares in 8 ways, for example, as 263169 + 101888836 = 513^2 + 10094^2 .

It is not a de Polignac number, because 102152005 - 2⁷ = 102151877 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102152005.

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, 34275 + ... + 37135.

It is an arithmetic number, because the mean of its divisors is an integer number (7911999).

Almost surely, 2^102152005 is an apocalyptic number.

It is an amenable number.

102152005 is a deficient number, since it is larger than the sum of its proper divisors (24439979).

102152005 is a wasteful number, since it uses less digits than its factorization.

102152005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3096.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 102152005 is about 10107.0275056517. The cubic root of 102152005 is about 467.4648548031.

The spelling of 102152005 in words is "one hundred two million, one hundred fifty-two thousand, five".