125429542620 has 24 divisors (see below), whose sum is σ = 351202719504. Its totient is φ = 33447878016.

The previous prime is 125429542607. The next prime is 125429542697. The reversal of 125429542620 is 26245924521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1045246129 + ... + 1045246248.

It is an arithmetic number, because the mean of its divisors is an integer number (14633446646).

Almost surely, 2^125429542620 is an apocalyptic number.

125429542620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125429542620 is an abundant number, since it is smaller than the sum of its proper divisors (225773176884).

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

125429542620 is a wasteful number, since it uses less digits than its factorization.

125429542620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2090492389 (or 2090492387 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 125429542620 in words is "one hundred twenty-five billion, four hundred twenty-nine million, five hundred forty-two thousand, six hundred twenty".