102271075 has 24 divisors (see below), whose sum is σ = 129927200. Its totient is φ = 79833600.

The previous prime is 102271073. The next prime is 102271111. The reversal of 102271075 is 570172201.

It is a happy number.

It is not a de Polignac number, because 102271075 - 2¹ = 102271073 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (102271073) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 303307 + ... + 303643.

Almost surely, 2^102271075 is an apocalyptic number.

102271075 is a deficient number, since it is larger than the sum of its proper divisors (27656125).

102271075 is a wasteful number, since it uses less digits than its factorization.

102271075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607 (or 602 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 25.

The square root of 102271075 is about 10112.9162460687. The cubic root of 102271075 is about 467.6464124332.

The spelling of 102271075 in words is "one hundred two million, two hundred seventy-one thousand, seventy-five".