125205454022 has 32 divisors (see below), whose sum is σ = 216048366720. Its totient is φ = 53820357120.

The previous prime is 125205453977. The next prime is 125205454027. The reversal of 125205454022 is 220454502521.

It is a self number, because there is not a number n which added to its sum of digits gives 125205454022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125205454027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30683 + ... + 501350.

It is an arithmetic number, because the mean of its divisors is an integer number (6751511460).

Almost surely, 2^125205454022 is an apocalyptic number.

125205454022 is a deficient number, since it is larger than the sum of its proper divisors (90842912698).

125205454022 is a wasteful number, since it uses less digits than its factorization.

125205454022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532628.

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

Adding to 125205454022 its reverse (220454502521), we get a palindrome (345659956543).

The spelling of 125205454022 in words is "one hundred twenty-five billion, two hundred five million, four hundred fifty-four thousand, twenty-two".