103725028 has 48 divisors (see below), whose sum is σ = 212466240. Its totient is φ = 43804800.

The previous prime is 103725019. The next prime is 103725049. The reversal of 103725028 is 820527301.

It is a junction number, because it is equal to n+sod(n) for n = 103724987 and 103725005.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43138 + ... + 45478.

It is an arithmetic number, because the mean of its divisors is an integer number (4426380).

Almost surely, 2^103725028 is an apocalyptic number.

It is an amenable number.

103725028 is an abundant number, since it is smaller than the sum of its proper divisors (108741212).

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

103725028 is a wasteful number, since it uses less digits than its factorization.

103725028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2428 (or 2426 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 103725028 is about 10184.5484926923. The cubic root of 103725028 is about 469.8521158396.

It can be divided in two parts, 10372 and 5028, that added together give a triangular number (15400 = T₁₇₅).

The spelling of 103725028 in words is "one hundred three million, seven hundred twenty-five thousand, twenty-eight".