125840349202 has 8 divisors (see below), whose sum is σ = 188899220412. Its totient is φ = 62873942400.

The previous prime is 125840349197. The next prime is 125840349209. The reversal of 125840349202 is 202943048521.

It can be written as a sum of positive squares in 2 ways, for example, as 124003283881 + 1837065321 = 352141^2 + 42861^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (125840349209) 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 3 ways as a sum of consecutive naturals, for example, 23112699 + ... + 23118142.

Almost surely, 2^125840349202 is an apocalyptic number.

125840349202 is a deficient number, since it is larger than the sum of its proper divisors (63058871210).

125840349202 is a wasteful number, since it uses less digits than its factorization.

125840349202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46232204.

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 125840349202 in words is "one hundred twenty-five billion, eight hundred forty million, three hundred forty-nine thousand, two hundred two".