2120134125 has 16 divisors (see below), whose sum is σ = 3527903808. Its totient is φ = 1130738000.

The previous prime is 2120134103. The next prime is 2120134147. The reversal of 2120134125 is 5214310212.

It is an interprime number because it is at equal distance from previous prime (2120134103) and next prime (2120134147).

It is not a de Polignac number, because 2120134125 - 2⁶ = 2120134061 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2826471 + ... + 2827220.

It is an arithmetic number, because the mean of its divisors is an integer number (220493988).

Almost surely, 2^2120134125 is an apocalyptic number.

2120134125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2120134125 is a deficient number, since it is larger than the sum of its proper divisors (1407769683).

2120134125 is an equidigital number, since it uses as much as digits as its factorization.

2120134125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5653709 (or 5653699 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 2120134125 is about 46044.9142142756. The cubic root of 2120134125 is about 1284.6587485281.

Adding to 2120134125 its reverse (5214310212), we get a palindrome (7334444337).

The spelling of 2120134125 in words is "two billion, one hundred twenty million, one hundred thirty-four thousand, one hundred twenty-five".