125142279248 has 160 divisors (see below), whose sum is σ = 296868499200. Its totient is φ = 49884733440.

The previous prime is 125142279247. The next prime is 125142279263. The reversal of 125142279248 is 842972241521.

It is a super-2 number, since 2×125142279248² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125142279247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59618903 + ... + 59621001.

It is an arithmetic number, because the mean of its divisors is an integer number (1855428120).

Almost surely, 2^125142279248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125142279248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148434249600).

125142279248 is an abundant number, since it is smaller than the sum of its proper divisors (171726219952).

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

125142279248 is a wasteful number, since it uses less digits than its factorization.

125142279248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2485 (or 2479 counting only the distinct ones).

The product of its digits is 645120, while the sum is 47.

The spelling of 125142279248 in words is "one hundred twenty-five billion, one hundred forty-two million, two hundred seventy-nine thousand, two hundred forty-eight".