102245001 has 4 divisors (see below), whose sum is σ = 136326672. Its totient is φ = 68163332.

The previous prime is 102244993. The next prime is 102245009. The reversal of 102245001 is 100542201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 100542201 = 3 ⋅33514067.

It is an interprime number because it is at equal distance from previous prime (102244993) and next prime (102245009).

It is a cyclic number.

It is not a de Polignac number, because 102245001 - 2³ = 102244993 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (102245009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17040831 + ... + 17040836.

It is an arithmetic number, because the mean of its divisors is an integer number (34081668).

Almost surely, 2^102245001 is an apocalyptic number.

It is an amenable number.

102245001 is a deficient number, since it is larger than the sum of its proper divisors (34081671).

102245001 is an equidigital number, since it uses as much as digits as its factorization.

102245001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34081670.

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

The square root of 102245001 is about 10111.6270204157. The cubic root of 102245001 is about 467.6066669204.

Adding to 102245001 its reverse (100542201), we get a palindrome (202787202).

It can be divided in two parts, 10224 and 5001, that added together give a triangular number (15225 = T₁₇₄).

The spelling of 102245001 in words is "one hundred two million, two hundred forty-five thousand, one".