125442435025 has 24 divisors (see below), whose sum is σ = 155965738040. Its totient is φ = 100085207040.

The previous prime is 125442434981. The next prime is 125442435031. The reversal of 125442435025 is 520534244521.

It can be written as a sum of positive squares in 12 ways, for example, as 35972053569 + 89470381456 = 189663^2 + 299116^2 .

It is not a de Polignac number, because 125442435025 - 2¹¹ = 125442432977 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16746481 + ... + 16753969.

Almost surely, 2^125442435025 is an apocalyptic number.

It is an amenable number.

125442435025 is a deficient number, since it is larger than the sum of its proper divisors (30523303015).

125442435025 is a wasteful number, since it uses less digits than its factorization.

125442435025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9205 (or 9200 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 37.

Adding to 125442435025 its reverse (520534244521), we get a palindrome (645976679546).

The spelling of 125442435025 in words is "one hundred twenty-five billion, four hundred forty-two million, four hundred thirty-five thousand, twenty-five".