125211480 has 128 divisors (see below), whose sum is σ = 392878080. Its totient is φ = 31887360.

The previous prime is 125211469. The next prime is 125211481. The reversal of 125211480 is 84112521.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 125211480.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125211481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 360667 + ... + 361013.

It is an arithmetic number, because the mean of its divisors is an integer number (3069360).

Almost surely, 2^125211480 is an apocalyptic number.

125211480 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 125211480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196439040).

125211480 is an abundant number, since it is smaller than the sum of its proper divisors (267666600).

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

125211480 is a wasteful number, since it uses less digits than its factorization.

125211480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489 (or 485 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 24.

The square root of 125211480 is about 11189.7935637794. The cubic root of 125211480 is about 500.2818144647.

The spelling of 125211480 in words is "one hundred twenty-five million, two hundred eleven thousand, four hundred eighty".