125501542 has 4 divisors (see below), whose sum is σ = 188252316. Its totient is φ = 62750770.

The previous prime is 125501513. The next prime is 125501549. The reversal of 125501542 is 245105521.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125501549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31375384 + ... + 31375387.

It is an arithmetic number, because the mean of its divisors is an integer number (47063079).

Almost surely, 2^125501542 is an apocalyptic number.

125501542 is a deficient number, since it is larger than the sum of its proper divisors (62750774).

125501542 is an equidigital number, since it uses as much as digits as its factorization.

125501542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62750773.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 125501542 is about 11202.7470738208. The cubic root of 125501542 is about 500.6678302750.

The spelling of 125501542 in words is "one hundred twenty-five million, five hundred one thousand, five hundred forty-two".