125205573454 has 8 divisors (see below), whose sum is σ = 202255157160. Its totient is φ = 57787187736.

The previous prime is 125205573391. The next prime is 125205573457. The reversal of 125205573454 is 454375502521.

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

It is a self number, because there is not a number n which added to its sum of digits gives 125205573454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125205573457) 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, 2407799464 + ... + 2407799515.

It is an arithmetic number, because the mean of its divisors is an integer number (25281894645).

Almost surely, 2^125205573454 is an apocalyptic number.

125205573454 is a deficient number, since it is larger than the sum of its proper divisors (77049583706).

125205573454 is a wasteful number, since it uses less digits than its factorization.

125205573454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4815598994.

The product of its (nonzero) digits is 840000, while the sum is 43.

The spelling of 125205573454 in words is "one hundred twenty-five billion, two hundred five million, five hundred seventy-three thousand, four hundred fifty-four".