125221964504 has 192 divisors, whose sum is σ = 322181647200. Its totient is φ = 45015699456.

The previous prime is 125221964501. The next prime is 125221964507. The reversal of 125221964504 is 405469122521.

It is an interprime number because it is at equal distance from previous prime (125221964501) and next prime (125221964507).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125221964501) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2487407 + ... + 2537249.

Almost surely, 2^125221964504 is an apocalyptic number.

125221964504 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125221964504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161090823600).

125221964504 is an abundant number, since it is smaller than the sum of its proper divisors (196959682696).

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

125221964504 is a wasteful number, since it uses less digits than its factorization.

125221964504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49922 (or 49911 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 125221964504 in words is "one hundred twenty-five billion, two hundred twenty-one million, nine hundred sixty-four thousand, five hundred four".