101309725 has 12 divisors (see below), whose sum is σ = 137044800. Its totient is φ = 73679600.

The previous prime is 101309711. The next prime is 101309759. The reversal of 101309725 is 527903101.

It is not a de Polignac number, because 101309725 - 2⁹ = 101309213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101309693 and 101309702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 183925 + ... + 184474.

It is an arithmetic number, because the mean of its divisors is an integer number (11420400).

Almost surely, 2^101309725 is an apocalyptic number.

It is an amenable number.

101309725 is a deficient number, since it is larger than the sum of its proper divisors (35735075).

101309725 is a wasteful number, since it uses less digits than its factorization.

101309725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368420 (or 368415 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 101309725 is about 10065.2732203354. The cubic root of 101309725 is about 466.1765020579.

The spelling of 101309725 in words is "one hundred one million, three hundred nine thousand, seven hundred twenty-five".