125055542 has 4 divisors (see below), whose sum is σ = 187583316. Its totient is φ = 62527770.

The previous prime is 125055487. The next prime is 125055559. The reversal of 125055542 is 245550521.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31263884 + ... + 31263887.

It is an arithmetic number, because the mean of its divisors is an integer number (46895829).

Almost surely, 2^125055542 is an apocalyptic number.

125055542 is a deficient number, since it is larger than the sum of its proper divisors (62527774).

125055542 is an equidigital number, since it uses as much as digits as its factorization.

125055542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62527773.

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 125055542 is about 11182.8235253893. The cubic root of 125055542 is about 500.0740450341.

The spelling of 125055542 in words is "one hundred twenty-five million, fifty-five thousand, five hundred forty-two".