125204441031 has 12 divisors (see below), whose sum is σ = 182641463160. Its totient is φ = 82643194800.

The previous prime is 125204441009. The next prime is 125204441069. The reversal of 125204441031 is 130144402521.

125204441031 is a `hidden beast` number, since 12 + 5 + 204 + 4 + 410 + 31 = 666.

It is not a de Polignac number, because 125204441031 - 2¹⁸ = 125204178887 is a prime.

It is a super-2 number, since 2×125204441031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 125204440986 and 125204441004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125204441071) 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 11 ways as a sum of consecutive naturals, for example, 68868421 + ... + 68870238.

It is an arithmetic number, because the mean of its divisors is an integer number (15220121930).

Almost surely, 2^125204441031 is an apocalyptic number.

125204441031 is a deficient number, since it is larger than the sum of its proper divisors (57437022129).

125204441031 is a wasteful number, since it uses less digits than its factorization.

125204441031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137738766 (or 137738763 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 125204441031 its reverse (130144402521), we get a palindrome (255348843552).

The spelling of 125204441031 in words is "one hundred twenty-five billion, two hundred four million, four hundred forty-one thousand, thirty-one".