214125240 has 64 divisors (see below), whose sum is σ = 734146560. Its totient is φ = 48942720.

The previous prime is 214125221. The next prime is 214125259. The reversal of 214125240 is 42521412.

It is an interprime number because it is at equal distance from previous prime (214125221) and next prime (214125259).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126616 + ... + 128295.

It is an arithmetic number, because the mean of its divisors is an integer number (11471040).

Almost surely, 2^214125240 is an apocalyptic number.

214125240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214125240 is an abundant number, since it is smaller than the sum of its proper divisors (520021320).

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

214125240 is a wasteful number, since it uses less digits than its factorization.

214125240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254932 (or 254928 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 214125240 is about 14633.0188272960. The cubic root of 214125240 is about 598.2590645698.

Adding to 214125240 its reverse (42521412), we get a palindrome (256646652).

The spelling of 214125240 in words is "two hundred fourteen million, one hundred twenty-five thousand, two hundred forty".