125520006 has 16 divisors (see below), whose sum is σ = 255777264. Its totient is φ = 41050464.

The previous prime is 125519981. The next prime is 125520007. The reversal of 125520006 is 600025521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125520007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197041 + ... + 197676.

It is an arithmetic number, because the mean of its divisors is an integer number (15986079).

Almost surely, 2^125520006 is an apocalyptic number.

125520006 is an abundant number, since it is smaller than the sum of its proper divisors (130257258).

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

125520006 is a wasteful number, since it uses less digits than its factorization.

125520006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394775.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 125520006 is about 11203.5711271005. The cubic root of 125520006 is about 500.6923821048.

Adding to 125520006 its reverse (600025521), we get a palindrome (725545527).

The spelling of 125520006 in words is "one hundred twenty-five million, five hundred twenty thousand, six".