103127220 has 72 divisors (see below), whose sum is σ = 357512064. Its totient is φ = 23571648.

The previous prime is 103127209. The next prime is 103127243. The reversal of 103127220 is 22721301.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 103127193 and 103127202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39664 + ... + 42183.

Almost surely, 2^103127220 is an apocalyptic number.

103127220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103127220 is an abundant number, since it is smaller than the sum of its proper divisors (254384844).

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

103127220 is a wasteful number, since it uses less digits than its factorization.

103127220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81869 (or 81864 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 103127220 is about 10155.1573104507. The cubic root of 103127220 is about 468.9477288487.

Adding to 103127220 its reverse (22721301), we get a palindrome (125848521).

The spelling of 103127220 in words is "one hundred three million, one hundred twenty-seven thousand, two hundred twenty".