125666054 has 8 divisors (see below), whose sum is σ = 188556120. Its totient is φ = 62814016.

The previous prime is 125666053. The next prime is 125666083. The reversal of 125666054 is 450666521.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125666053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1142 + ... + 15894.

It is an arithmetic number, because the mean of its divisors is an integer number (23569515).

Almost surely, 2^125666054 is an apocalyptic number.

125666054 is a deficient number, since it is larger than the sum of its proper divisors (62890066).

125666054 is a wasteful number, since it uses less digits than its factorization.

125666054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19014.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 125666054 is about 11210.0871539877. The cubic root of 125666054 is about 500.8864993090.

The spelling of 125666054 in words is "one hundred twenty-five million, six hundred sixty-six thousand, fifty-four".