125544542 has 8 divisors (see below), whose sum is σ = 192910032. Its totient is φ = 61241200.

The previous prime is 125544539. The next prime is 125544547. The reversal of 125544542 is 245445521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×125544542² = 31522864051979528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 125544499 and 125544508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125544547) 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 3 ways as a sum of consecutive naturals, for example, 765434 + ... + 765597.

It is an arithmetic number, because the mean of its divisors is an integer number (24113754).

Almost surely, 2^125544542 is an apocalyptic number.

125544542 is a deficient number, since it is larger than the sum of its proper divisors (67365490).

125544542 is a wasteful number, since it uses less digits than its factorization.

125544542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1531074.

The product of its digits is 32000, while the sum is 32.

The square root of 125544542 is about 11204.6660815930. Note that the first 3 decimals coincide. The cubic root of 125544542 is about 500.7250042296.

The spelling of 125544542 in words is "one hundred twenty-five million, five hundred forty-four thousand, five hundred forty-two".