103191520 has 48 divisors (see below), whose sum is σ = 250393248. Its totient is φ = 40158720.

The previous prime is 103191511. The next prime is 103191553. The reversal of 103191520 is 25191301.

It is a junction number, because it is equal to n+sod(n) for n = 103191491 and 103191500.

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, 2796 + ... + 14635.

It is an arithmetic number, because the mean of its divisors is an integer number (5216526).

Almost surely, 2^103191520 is an apocalyptic number.

103191520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103191520 is an abundant number, since it is smaller than the sum of its proper divisors (147201728).

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

103191520 is a wasteful number, since it uses less digits than its factorization.

103191520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17483 (or 17475 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 103191520 is about 10158.3226961935. The cubic root of 103191520 is about 469.0451718394.

The spelling of 103191520 in words is "one hundred three million, one hundred ninety-one thousand, five hundred twenty".