15103420 has 12 divisors (see below), whose sum is σ = 31717224. Its totient is φ = 6041360.

The previous prime is 15103411. The next prime is 15103421. The reversal of 15103420 is 2430151.

It is a super-2 number, since 2×15103420² = 456226591392800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15103394 and 15103403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15103421) 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, 377566 + ... + 377605.

It is an arithmetic number, because the mean of its divisors is an integer number (2643102).

Almost surely, 2^15103420 is an apocalyptic number.

15103420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15103420 is an abundant number, since it is smaller than the sum of its proper divisors (16613804).

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

15103420 is a wasteful number, since it uses less digits than its factorization.

15103420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755180 (or 755178 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 15103420 is about 3886.3118763167. The cubic root of 15103420 is about 247.1867001289.

Adding to 15103420 its reverse (2430151), we get a palindrome (17533571).

The spelling of 15103420 in words is "fifteen million, one hundred three thousand, four hundred twenty".