125402530000 has 200 divisors, whose sum is σ = 331847974656. Its totient is φ = 45513600000.

The previous prime is 125402529997. The next prime is 125402530009. The reversal of 125402530000 is 35204521.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125402530009) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 94929340 + ... + 94930660.

Almost surely, 2^125402530000 is an apocalyptic number.

125402530000 is a gapful number since it is divisible by the number (10) 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 125402530000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165923987328).

125402530000 is an abundant number, since it is smaller than the sum of its proper divisors (206445444656).

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

125402530000 is a wasteful number, since it uses less digits than its factorization.

125402530000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2223 (or 2202 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

Adding to 125402530000 its reverse (35204521), we get a palindrome (125437734521).

The spelling of 125402530000 in words is "one hundred twenty-five billion, four hundred two million, five hundred thirty thousand".