32125140 has 96 divisors (see below), whose sum is σ = 102453120. Its totient is φ = 8352000.

The previous prime is 32125133. The next prime is 32125193. The reversal of 32125140 is 4152123.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21415 + ... + 22865.

It is an arithmetic number, because the mean of its divisors is an integer number (1067220).

Almost surely, 2^32125140 is an apocalyptic number.

32125140 is a gapful number since it is divisible by the number (30) 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 32125140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51226560).

32125140 is an abundant number, since it is smaller than the sum of its proper divisors (70327980).

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

32125140 is a wasteful number, since it uses less digits than its factorization.

32125140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1510 (or 1502 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 32125140 is about 5667.9043746344. The cubic root of 32125140 is about 317.8935207762.

Adding to 32125140 its reverse (4152123), we get a palindrome (36277263).

The spelling of 32125140 in words is "thirty-two million, one hundred twenty-five thousand, one hundred forty".