102291201 has 8 divisors (see below), whose sum is σ = 151542560. Its totient is φ = 68194116.

The previous prime is 102291197. The next prime is 102291209. The reversal of 102291201 is 102192201.

It is not a de Polignac number, because 102291201 - 2² = 102291197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102291209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1894255 + ... + 1894308.

It is an arithmetic number, because the mean of its divisors is an integer number (18942820).

Almost surely, 2^102291201 is an apocalyptic number.

It is an amenable number.

102291201 is a deficient number, since it is larger than the sum of its proper divisors (49251359).

102291201 is an equidigital number, since it uses as much as digits as its factorization.

102291201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3788572 (or 3788566 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 102291201 is about 10113.9112612283. The cubic root of 102291201 is about 467.6770865815.

The spelling of 102291201 in words is "one hundred two million, two hundred ninety-one thousand, two hundred one".