125521562134 has 32 divisors (see below), whose sum is σ = 200958084000. Its totient is φ = 58595432448.

The previous prime is 125521562093. The next prime is 125521562149. The reversal of 125521562134 is 431265125521.

It is a junction number, because it is equal to n+sod(n) for n = 125521562093 and 125521562102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6973354 + ... + 6991330.

It is an arithmetic number, because the mean of its divisors is an integer number (6279940125).

Almost surely, 2^125521562134 is an apocalyptic number.

125521562134 is a deficient number, since it is larger than the sum of its proper divisors (75436521866).

125521562134 is a wasteful number, since it uses less digits than its factorization.

125521562134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19632.

The product of its digits is 72000, while the sum is 37.

Adding to 125521562134 its reverse (431265125521), we get a palindrome (556786687655).

The spelling of 125521562134 in words is "one hundred twenty-five billion, five hundred twenty-one million, five hundred sixty-two thousand, one hundred thirty-four".