103425720 has 32 divisors (see below), whose sum is σ = 310277520. Its totient is φ = 27580160.

The previous prime is 103425697. The next prime is 103425731. The reversal of 103425720 is 27524301.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 430821 + ... + 431060.

Almost surely, 2^103425720 is an apocalyptic number.

103425720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103425720 is an abundant number, since it is smaller than the sum of its proper divisors (206851800).

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

103425720 is a wasteful number, since it uses less digits than its factorization.

103425720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861895 (or 861891 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 103425720 is about 10169.8436566154. The cubic root of 103425720 is about 469.3997467749.

The spelling of 103425720 in words is "one hundred three million, four hundred twenty-five thousand, seven hundred twenty".