125214660 has 120 divisors (see below), whose sum is σ = 403612440. Its totient is φ = 32472576.

The previous prime is 125214659. The next prime is 125214671. The reversal of 125214660 is 66412521.

It can be written as a sum of positive squares in 4 ways, for example, as 60186564 + 65028096 = 7758^2 + 8064^2 .

It is a super-2 number, since 2×125214660² = 31357422157831200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 58896 + ... + 60984.

It is an arithmetic number, because the mean of its divisors is an integer number (3363437).

Almost surely, 2^125214660 is an apocalyptic number.

125214660 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 125214660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201806220).

125214660 is an abundant number, since it is smaller than the sum of its proper divisors (278397780).

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

125214660 is a wasteful number, since it uses less digits than its factorization.

125214660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2147 (or 2136 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 125214660 is about 11189.9356566515. The cubic root of 125214660 is about 500.2860496533.

The spelling of 125214660 in words is "one hundred twenty-five million, two hundred fourteen thousand, six hundred sixty".