103120620 has 48 divisors (see below), whose sum is σ = 289191168. Its totient is φ = 27455680.

The previous prime is 103120609. The next prime is 103120621. The reversal of 103120620 is 26021301.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 103120620.

It is not an unprimeable number, because it can be changed into a prime (103120621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61027 + ... + 62693.

It is an arithmetic number, because the mean of its divisors is an integer number (6024816).

Almost surely, 2^103120620 is an apocalyptic number.

103120620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103120620 is an abundant number, since it is smaller than the sum of its proper divisors (186070548).

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

103120620 is a wasteful number, since it uses less digits than its factorization.

103120620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2710 (or 2708 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 103120620 is about 10154.8323472128. The cubic root of 103120620 is about 468.9377246324.

Adding to 103120620 its reverse (26021301), we get a palindrome (129141921).

It can be divided in two parts, 103120 and 620, that added together give a triangular number (103740 = T₄₅₅).

The spelling of 103120620 in words is "one hundred three million, one hundred twenty thousand, six hundred twenty".