125022020240 has 80 divisors (see below), whose sum is σ = 321496433328. Its totient is φ = 44914341888.

The previous prime is 125022020171. The next prime is 125022020281. The reversal of 125022020240 is 42020220521.

It can be written as a sum of positive squares in 8 ways, for example, as 20935774864 + 104086245376 = 144692^2 + 322624^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1586027 + ... + 1662986.

Almost surely, 2^125022020240 is an apocalyptic number.

125022020240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125022020240 is an abundant number, since it is smaller than the sum of its proper divisors (196474413088).

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

125022020240 is a wasteful number, since it uses less digits than its factorization.

125022020240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3249076 (or 3249070 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

Adding to 125022020240 its reverse (42020220521), we get a palindrome (167042240761).

The spelling of 125022020240 in words is "one hundred twenty-five billion, twenty-two million, twenty thousand, two hundred forty".