125001542 has 16 divisors (see below), whose sum is σ = 196430400. Its totient is φ = 59579520.

The previous prime is 125001523. The next prime is 125001553. The reversal of 125001542 is 245100521.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9059 + ... + 18222.

It is an arithmetic number, because the mean of its divisors is an integer number (12276900).

Almost surely, 2^125001542 is an apocalyptic number.

125001542 is a deficient number, since it is larger than the sum of its proper divisors (71428858).

125001542 is a wasteful number, since it uses less digits than its factorization.

125001542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27391.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 125001542 is about 11180.4088476227. The cubic root of 125001542 is about 500.0020559915.

The spelling of 125001542 in words is "one hundred twenty-five million, one thousand, five hundred forty-two".