125442035040 has 96 divisors (see below), whose sum is σ = 451591338240. Its totient is φ = 28672464384.

The previous prime is 125442035021. The next prime is 125442035041. The reversal of 125442035040 is 40530244521.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 125442034989 and 125442035007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125442035041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18663610 + ... + 18670329.

It is an arithmetic number, because the mean of its divisors is an integer number (4704076440).

Almost surely, 2^125442035040 is an apocalyptic number.

125442035040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125442035040 is an abundant number, since it is smaller than the sum of its proper divisors (326149303200).

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

125442035040 is a wasteful number, since it uses less digits than its factorization.

125442035040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37333964 (or 37333956 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 125442035040 its reverse (40530244521), we get a palindrome (165972279561).

The spelling of 125442035040 in words is "one hundred twenty-five billion, four hundred forty-two million, thirty-five thousand, forty".