102503420 has 12 divisors (see below), whose sum is σ = 215257224. Its totient is φ = 41001360.

The previous prime is 102503411. The next prime is 102503441. The reversal of 102503420 is 24305201.

It is a super-2 number, since 2×102503420² = 21013902223392800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2562566 + ... + 2562605.

It is an arithmetic number, because the mean of its divisors is an integer number (17938102).

Almost surely, 2^102503420 is an apocalyptic number.

102503420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102503420 is an abundant number, since it is smaller than the sum of its proper divisors (112753804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102503420 is a wasteful number, since it uses less digits than its factorization.

102503420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5125180 (or 5125178 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 102503420 is about 10124.3972660105. The cubic root of 102503420 is about 468.0002861176. Note that the first 3 decimals are identical.

Adding to 102503420 its reverse (24305201), we get a palindrome (126808621).

The spelling of 102503420 in words is "one hundred two million, five hundred three thousand, four hundred twenty".