102540201 has 8 divisors (see below), whose sum is σ = 141434880. Its totient is φ = 66002832.

The previous prime is 102540199. The next prime is 102540211. The reversal of 102540201 is 102045201.

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

It is not a de Polignac number, because 102540201 - 2¹ = 102540199 is a prime.

It is a super-2 number, since 2×102540201² = 21028985642240802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102540211) 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, 589225 + ... + 589398.

It is an arithmetic number, because the mean of its divisors is an integer number (17679360).

Almost surely, 2^102540201 is an apocalyptic number.

It is an amenable number.

102540201 is a deficient number, since it is larger than the sum of its proper divisors (38894679).

102540201 is a wasteful number, since it uses less digits than its factorization.

102540201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1178655.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 102540201 is about 10126.2135569027. The cubic root of 102540201 is about 468.0562564779.

Adding to 102540201 its reverse (102045201), we get a palindrome (204585402).

The spelling of 102540201 in words is "one hundred two million, five hundred forty thousand, two hundred one".