102012127 has 16 divisors (see below), whose sum is σ = 118623232. Its totient is φ = 85924800.

The previous prime is 102012091. The next prime is 102012133. The reversal of 102012127 is 721210201.

It is a cyclic number.

It is not a de Polignac number, because 102012127 - 2⁷ = 102011999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102012127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102012187) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108403 + ... + 109339.

It is an arithmetic number, because the mean of its divisors is an integer number (7413952).

Almost surely, 2^102012127 is an apocalyptic number.

102012127 is a deficient number, since it is larger than the sum of its proper divisors (16611105).

102012127 is a wasteful number, since it uses less digits than its factorization.

102012127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1198.

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 102012127 is about 10100.1052964808. The cubic root of 102012127 is about 467.2513888764.

Adding to 102012127 its reverse (721210201), we get a palindrome (823222328).

The spelling of 102012127 in words is "one hundred two million, twelve thousand, one hundred twenty-seven".