102012001 has 8 divisors (see below), whose sum is σ = 125553344. Its totient is φ = 80712720.

The previous prime is 102011999. The next prime is 102012013. The reversal of 102012001 is 100210201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102012001 - 2¹ = 102011999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is not an unprimeable number, because it can be changed into a prime (102012091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 560415 + ... + 560596.

It is an arithmetic number, because the mean of its divisors is an integer number (15694168).

Almost surely, 2^102012001 is an apocalyptic number.

It is an amenable number.

102012001 is a deficient number, since it is larger than the sum of its proper divisors (23541343).

102012001 is a wasteful number, since it uses less digits than its factorization.

102012001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121031.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 102012001 is about 10100.0990589202. The cubic root of 102012001 is about 467.2511965016.

Adding to 102012001 its reverse (100210201), we get a palindrome (202222202).

The spelling of 102012001 in words is "one hundred two million, twelve thousand, one".