103151220 has 24 divisors (see below), whose sum is σ = 288823584. Its totient is φ = 27506976.

The previous prime is 103151219. The next prime is 103151249. The reversal of 103151220 is 22151301.

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 103151220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 859534 + ... + 859653.

It is an arithmetic number, because the mean of its divisors is an integer number (12034316).

Almost surely, 2^103151220 is an apocalyptic number.

103151220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103151220 is an abundant number, since it is smaller than the sum of its proper divisors (185672364).

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

103151220 is a wasteful number, since it uses less digits than its factorization.

103151220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1719199 (or 1719197 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 103151220 is about 10156.3389073032. The cubic root of 103151220 is about 468.9841042192.

The spelling of 103151220 in words is "one hundred three million, one hundred fifty-one thousand, two hundred twenty".