125122311340 has 48 divisors (see below), whose sum is σ = 292726486080. Its totient is φ = 44605935360.

The previous prime is 125122311313. The next prime is 125122311343. The reversal of 125122311340 is 43113221521.

It is not an unprimeable number, because it can be changed into a prime (125122311343) 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, 8289696 + ... + 8304775.

It is an arithmetic number, because the mean of its divisors is an integer number (6098468460).

Almost surely, 2^125122311340 is an apocalyptic number.

125122311340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125122311340 is an abundant number, since it is smaller than the sum of its proper divisors (167604174740).

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

125122311340 is a wasteful number, since it uses less digits than its factorization.

125122311340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16594522 (or 16594520 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 125122311340 its reverse (43113221521), we get a palindrome (168235532861).

The spelling of 125122311340 in words is "one hundred twenty-five billion, one hundred twenty-two million, three hundred eleven thousand, three hundred forty".