102011027 has 4 divisors (see below), whose sum is σ = 102456720. Its totient is φ = 101565336.

The previous prime is 102011017. The next prime is 102011053. The reversal of 102011027 is 720110201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102011027 - 2⁶ = 102010963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102011017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222503 + ... + 222960.

It is an arithmetic number, because the mean of its divisors is an integer number (25614180).

Almost surely, 2^102011027 is an apocalyptic number.

102011027 is a deficient number, since it is larger than the sum of its proper divisors (445693).

102011027 is an equidigital number, since it uses as much as digits as its factorization.

102011027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445692.

The product of its (nonzero) digits is 28, while the sum is 14.

The square root of 102011027 is about 10100.0508414562. The cubic root of 102011027 is about 467.2497094082.

Adding to 102011027 its reverse (720110201), we get a palindrome (822121228).

The spelling of 102011027 in words is "one hundred two million, eleven thousand, twenty-seven".