3777126125 has 36 divisors (see below), whose sum is σ = 4948418748. Its totient is φ = 2878229200.

The previous prime is 3777126121. The next prime is 3777126137. The reversal of 3777126125 is 5216217773.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 120868036 + 3656258089 = 10994^2 + 60467^2 .

It is not a de Polignac number, because 3777126125 - 2² = 3777126121 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3777126121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 15803756 + ... + 15803994.

Almost surely, 2^3777126125 is an apocalyptic number.

It is an amenable number.

3777126125 is a deficient number, since it is larger than the sum of its proper divisors (1171292623).

3777126125 is an frugal number, since it uses more digits than its factorization.

3777126125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539 (or 267 counting only the distinct ones).

The product of its digits is 123480, while the sum is 41.

The square root of 3777126125 is about 61458.3283615817. The cubic root of 3777126125 is about 1557.3533532435.

The spelling of 3777126125 in words is "three billion, seven hundred seventy-seven million, one hundred twenty-six thousand, one hundred twenty-five".