102420263 has 8 divisors (see below), whose sum is σ = 112884240. Its totient is φ = 92148480.

The previous prime is 102420251. The next prime is 102420277. The reversal of 102420263 is 362024201.

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

It is a cyclic number.

It is not a de Polignac number, because 102420263 - 2²⁰ = 101371687 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 (102420233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46928 + ... + 49061.

It is an arithmetic number, because the mean of its divisors is an integer number (14110530).

Almost surely, 2^102420263 is an apocalyptic number.

102420263 is a deficient number, since it is larger than the sum of its proper divisors (10463977).

102420263 is an equidigital number, since it uses as much as digits as its factorization.

102420263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96097.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 102420263 is about 10120.2896697674. The cubic root of 102420263 is about 467.8736951264.

Adding to 102420263 its reverse (362024201), we get a palindrome (464444464).

The spelling of 102420263 in words is "one hundred two million, four hundred twenty thousand, two hundred sixty-three".