125540043132 has 24 divisors (see below), whose sum is σ = 334773448576. Its totient is φ = 35868583728.

The previous prime is 125540043103. The next prime is 125540043149. The reversal of 125540043132 is 231340045521.

It is a self number, because there is not a number n which added to its sum of digits gives 125540043132.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 747262078 + ... + 747262245.

Almost surely, 2^125540043132 is an apocalyptic number.

125540043132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

125540043132 is an abundant number, since it is smaller than the sum of its proper divisors (209233405444).

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

125540043132 is a wasteful number, since it uses less digits than its factorization.

125540043132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1494524337 (or 1494524335 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 125540043132 its reverse (231340045521), we get a palindrome (356880088653).

The spelling of 125540043132 in words is "one hundred twenty-five billion, five hundred forty million, forty-three thousand, one hundred thirty-two".