61072125 has 16 divisors (see below), whose sum is σ = 101624640. Its totient is φ = 32571600.

The previous prime is 61072117. The next prime is 61072127. The reversal of 61072125 is 52127016.

It is not a de Polignac number, because 61072125 - 2³ = 61072117 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 61072095 and 61072104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61072127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81055 + ... + 81804.

It is an arithmetic number, because the mean of its divisors is an integer number (6351540).

Almost surely, 2^61072125 is an apocalyptic number.

It is an amenable number.

61072125 is a deficient number, since it is larger than the sum of its proper divisors (40552515).

61072125 is a wasteful number, since it uses less digits than its factorization.

61072125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162877 (or 162867 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 61072125 is about 7814.8656418393. The cubic root of 61072125 is about 393.8048046669.

The spelling of 61072125 in words is "sixty-one million, seventy-two thousand, one hundred twenty-five".