125520251214 has 16 divisors (see below), whose sum is σ = 257825381328. Its totient is φ = 40709270592.

The previous prime is 125520251201. The next prime is 125520251249. The reversal of 125520251214 is 412152025521.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282703047 + ... + 282703490.

It is an arithmetic number, because the mean of its divisors is an integer number (16114086333).

Almost surely, 2^125520251214 is an apocalyptic number.

125520251214 is an abundant number, since it is smaller than the sum of its proper divisors (132305130114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125520251214 is a wasteful number, since it uses less digits than its factorization.

125520251214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565406579.

The product of its (nonzero) digits is 8000, while the sum is 30.

Adding to 125520251214 its reverse (412152025521), we get a palindrome (537672276735).

The spelling of 125520251214 in words is "one hundred twenty-five billion, five hundred twenty million, two hundred fifty-one thousand, two hundred fourteen".