125006742 has 36 divisors (see below), whose sum is σ = 315070236. Its totient is φ = 35715960.

The previous prime is 125006741. The next prime is 125006743. The reversal of 125006742 is 247600521.

It is an interprime number because it is at equal distance from previous prime (125006741) and next prime (125006743).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125006741) 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 17 ways as a sum of consecutive naturals, for example, 69984 + ... + 71747.

It is an arithmetic number, because the mean of its divisors is an integer number (8751951).

Almost surely, 2^125006742 is an apocalyptic number.

125006742 is an abundant number, since it is smaller than the sum of its proper divisors (190063494).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125006742 is a wasteful number, since it uses less digits than its factorization.

125006742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141753 (or 141743 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 125006742 is about 11180.6413948396. The cubic root of 125006742 is about 500.0089891717.

The spelling of 125006742 in words is "one hundred twenty-five million, six thousand, seven hundred forty-two".