103061725 has 24 divisors (see below), whose sum is σ = 138319272. Its totient is φ = 75724800.

The previous prime is 103061723. The next prime is 103061729. The reversal of 103061725 is 527160301.

103061725 = 7178² + 7179².

It can be written as a sum of positive squares in 12 ways, for example, as 79227801 + 23833924 = 8901^2 + 4882^2 .

It is not a de Polignac number, because 103061725 - 2¹ = 103061723 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 103061725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103061723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75045 + ... + 76405.

It is an arithmetic number, because the mean of its divisors is an integer number (5763303).

Almost surely, 2^103061725 is an apocalyptic number.

103061725 is the 7179-th centered square number.

It is an amenable number.

103061725 is a deficient number, since it is larger than the sum of its proper divisors (35257547).

103061725 is a wasteful number, since it uses less digits than its factorization.

103061725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1617 (or 1612 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 103061725 is about 10151.9320821211. The cubic root of 103061725 is about 468.8484332544.

The spelling of 103061725 in words is "one hundred three million, sixty-one thousand, seven hundred twenty-five".