125544150 has 72 divisors (see below), whose sum is σ = 357157944. Its totient is φ = 31507200.

The previous prime is 125544149. The next prime is 125544151. The reversal of 125544150 is 51445521.

It is an interprime number because it is at equal distance from previous prime (125544149) and next prime (125544151).

It is a super-2 number, since 2×125544150² = 31522667198445000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125544151) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 556 + ... + 15855.

It is an arithmetic number, because the mean of its divisors is an integer number (4960527).

Almost surely, 2^125544150 is an apocalyptic number.

125544150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 125544150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178578972).

125544150 is an abundant number, since it is smaller than the sum of its proper divisors (231613794).

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

125544150 is a wasteful number, since it uses less digits than its factorization.

125544150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16446 (or 16438 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 125544150 is about 11204.6485888670. The cubic root of 125544150 is about 500.7244830749.

Adding to 125544150 its reverse (51445521), we get a palindrome (176989671).

The spelling of 125544150 in words is "one hundred twenty-five million, five hundred forty-four thousand, one hundred fifty".