125441031406 has 4 divisors (see below), whose sum is σ = 188161547112. Its totient is φ = 62720515702.

The previous prime is 125441031337. The next prime is 125441031409. The reversal of 125441031406 is 604130144521.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125441031409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31360257850 + ... + 31360257853.

It is an arithmetic number, because the mean of its divisors is an integer number (47040386778).

Almost surely, 2^125441031406 is an apocalyptic number.

125441031406 is a deficient number, since it is larger than the sum of its proper divisors (62720515706).

125441031406 is an equidigital number, since it uses as much as digits as its factorization.

125441031406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62720515705.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 125441031406 its reverse (604130144521), we get a palindrome (729571175927).

The spelling of 125441031406 in words is "one hundred twenty-five billion, four hundred forty-one million, thirty-one thousand, four hundred six".