103725489 has 32 divisors (see below), whose sum is σ = 164586240. Its totient is φ = 56851200.

The previous prime is 103725487. The next prime is 103725491. The reversal of 103725489 is 984527301.

It is an interprime number because it is at equal distance from previous prime (103725487) and next prime (103725491).

It is not a de Polignac number, because 103725489 - 2¹ = 103725487 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (103725487) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109759 + ... + 110699.

It is an arithmetic number, because the mean of its divisors is an integer number (5143320).

Almost surely, 2^103725489 is an apocalyptic number.

It is an amenable number.

103725489 is a deficient number, since it is larger than the sum of its proper divisors (60860751).

103725489 is a wasteful number, since it uses less digits than its factorization.

103725489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 103725489 is about 10184.5711249910. The cubic root of 103725489 is about 469.8528119156.

The spelling of 103725489 in words is "one hundred three million, seven hundred twenty-five thousand, four hundred eighty-nine".