102246407 has 4 divisors (see below), whose sum is σ = 102897816. Its totient is φ = 101595000.

The previous prime is 102246383. The next prime is 102246409. The reversal of 102246407 is 704642201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 704642201 = 1571 ⋅448531.

It is a cyclic number.

It is not a de Polignac number, because 102246407 - 2⁶ = 102246343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102246409) 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, 325469 + ... + 325782.

It is an arithmetic number, because the mean of its divisors is an integer number (25724454).

Almost surely, 2^102246407 is an apocalyptic number.

102246407 is a deficient number, since it is larger than the sum of its proper divisors (651409).

102246407 is an equidigital number, since it uses as much as digits as its factorization.

102246407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651408.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 102246407 is about 10111.6965441018. The cubic root of 102246407 is about 467.6088103079.

Adding to 102246407 its reverse (704642201), we get a palindrome (806888608).

The spelling of 102246407 in words is "one hundred two million, two hundred forty-six thousand, four hundred seven".