102142201 has 8 divisors (see below), whose sum is σ = 116855424. Its totient is φ = 87459360.

The previous prime is 102142177. The next prime is 102142217. The reversal of 102142201 is 102241201.

It is a happy number.

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 102142201 - 2¹¹ = 102140153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102142291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141 + ... + 14293.

It is an arithmetic number, because the mean of its divisors is an integer number (14606928).

Almost surely, 2^102142201 is an apocalyptic number.

It is an amenable number.

102142201 is a deficient number, since it is larger than the sum of its proper divisors (14713223).

102142201 is a wasteful number, since it uses less digits than its factorization.

102142201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15191.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 102142201 is about 10106.5424849451. The cubic root of 102142201 is about 467.4498994039.

Adding to 102142201 its reverse (102241201), we get a palindrome (204383402).

The spelling of 102142201 in words is "one hundred two million, one hundred forty-two thousand, two hundred one".