102420003 has 16 divisors (see below), whose sum is σ = 159390720. Its totient is φ = 57279936.

The previous prime is 102419987. The next prime is 102420061. The reversal of 102420003 is 300024201.

It is not a de Polignac number, because 102420003 - 2⁴ = 102419987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102422003) 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 15 ways as a sum of consecutive naturals, for example, 50898 + ... + 52871.

It is an arithmetic number, because the mean of its divisors is an integer number (9961920).

Almost surely, 2^102420003 is an apocalyptic number.

102420003 is a deficient number, since it is larger than the sum of its proper divisors (56970717).

102420003 is a wasteful number, since it uses less digits than its factorization.

102420003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103826.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 102420003 is about 10120.2768242771. The cubic root of 102420003 is about 467.8732992176.

Adding to 102420003 its reverse (300024201), we get a palindrome (402444204).

The spelling of 102420003 in words is "one hundred two million, four hundred twenty thousand, three".