125615061 has 72 divisors (see below), whose sum is σ = 226568160. Its totient is φ = 66432960.

The previous prime is 125615059. The next prime is 125615093. The reversal of 125615061 is 160516521.

It is a happy number.

It is not a de Polignac number, because 125615061 - 2¹ = 125615059 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125615011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 268750 + ... + 269216.

It is an arithmetic number, because the mean of its divisors is an integer number (3146780).

Almost surely, 2^125615061 is an apocalyptic number.

125615061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

125615061 is a deficient number, since it is larger than the sum of its proper divisors (100953099).

125615061 is a wasteful number, since it uses less digits than its factorization.

125615061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527 (or 513 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 125615061 is about 11207.8124984316. The cubic root of 125615061 is about 500.8187399314.

The spelling of 125615061 in words is "one hundred twenty-five million, six hundred fifteen thousand, sixty-one".