125006121004 has 12 divisors (see below), whose sum is σ = 218828651328. Its totient is φ = 62483649200.

The previous prime is 125006121001. The next prime is 125006121017. The reversal of 125006121004 is 400121600521.

It is not an unprimeable number, because it can be changed into a prime (125006121001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4838332 + ... + 4864099.

It is an arithmetic number, because the mean of its divisors is an integer number (18235720944).

Almost surely, 2^125006121004 is an apocalyptic number.

It is an amenable number.

125006121004 is a deficient number, since it is larger than the sum of its proper divisors (93822530324).

125006121004 is a wasteful number, since it uses less digits than its factorization.

125006121004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9705656 (or 9705654 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 125006121004 its reverse (400121600521), we get a palindrome (525127721525).

The spelling of 125006121004 in words is "one hundred twenty-five billion, six million, one hundred twenty-one thousand, four".