125838452947080 has 128 divisors (see below), whose sum is σ = 387732714969600. Its totient is φ = 32648777966592.

The previous prime is 125838452947021. The next prime is 125838452947091. The reversal of 125838452947080 is 80749254838521.

It is a super-2 number, since 2×125838452947080² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123738106 + ... + 124750934.

It is an arithmetic number, because the mean of its divisors is an integer number (3029161835700).

Almost surely, 2^{125838452947080} is an apocalyptic number.

125838452947080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125838452947080 is an abundant number, since it is smaller than the sum of its proper divisors (261894262022520).

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

125838452947080 is a wasteful number, since it uses less digits than its factorization.

125838452947080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040863 (or 1040859 counting only the distinct ones).

The product of its (nonzero) digits is 154828800, while the sum is 66.

The spelling of 125838452947080 in words is "one hundred twenty-five trillion, eight hundred thirty-eight billion, four hundred fifty-two million, nine hundred forty-seven thousand, eighty".