102406463 has 4 divisors (see below), whose sum is σ = 102455640. Its totient is φ = 102357288.

The previous prime is 102406439. The next prime is 102406471. The reversal of 102406463 is 364604201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 364604201 = 13 ⋅28046477.

It is a cyclic number.

It is not a de Polignac number, because 102406463 - 2¹⁰ = 102405439 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 (102406433) 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, 21320 + ... + 25677.

It is an arithmetic number, because the mean of its divisors is an integer number (25613910).

Almost surely, 2^102406463 is an apocalyptic number.

102406463 is a deficient number, since it is larger than the sum of its proper divisors (49177).

102406463 is an equidigital number, since it uses as much as digits as its factorization.

102406463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49176.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 102406463 is about 10119.6078481332. The cubic root of 102406463 is about 467.8526805771.

The spelling of 102406463 in words is "one hundred two million, four hundred six thousand, four hundred sixty-three".