2125145214 has 128 divisors (see below), whose sum is σ = 5251599360. Its totient is φ = 633600000.

The previous prime is 2125145213. The next prime is 2125145227. The reversal of 2125145214 is 4125415212.

It is a happy number.

2125145214 is a `hidden beast` number, since 2 + 125 + 14 + 521 + 4 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125145213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5299414 + ... + 5299814.

It is an arithmetic number, because the mean of its divisors is an integer number (41028120).

Almost surely, 2^2125145214 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2125145214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2625799680).

2125145214 is an abundant number, since it is smaller than the sum of its proper divisors (3126454146).

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

2125145214 is a wasteful number, since it uses less digits than its factorization.

2125145214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703 (or 697 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 2125145214 is about 46099.2973265320. The cubic root of 2125145214 is about 1285.6700798452.

The spelling of 2125145214 in words is "two billion, one hundred twenty-five million, one hundred forty-five thousand, two hundred fourteen".