125126277738 has 64 divisors (see below), whose sum is σ = 312059381760. Its totient is φ = 32494478400.

The previous prime is 125126277721. The next prime is 125126277739. The reversal of 125126277738 is 837772621521.

It is a super-3 number, since 3×125126277738³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (125126277739) 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 31 ways as a sum of consecutive naturals, for example, 2930523 + ... + 2972913.

It is an arithmetic number, because the mean of its divisors is an integer number (4875927840).

Almost surely, 2^125126277738 is an apocalyptic number.

125126277738 is an abundant number, since it is smaller than the sum of its proper divisors (186933104022).

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

125126277738 is a wasteful number, since it uses less digits than its factorization.

125126277738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48803.

The product of its digits is 1975680, while the sum is 51.

The spelling of 125126277738 in words is "one hundred twenty-five billion, one hundred twenty-six million, two hundred seventy-seven thousand, seven hundred thirty-eight".