2125420034 has 16 divisors (see below), whose sum is σ = 3306166200. Its totient is φ = 1023544704.

The previous prime is 2125420001. The next prime is 2125420079. The reversal of 2125420034 is 4300245212.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2033739409 + 91680625 = 45097^2 + 9575^2 .

It is a super-2 number, since 2×2125420034² = 9034820641857122312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2125419991 and 2125420009.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21077 + ... + 68520.

Almost surely, 2^2125420034 is an apocalyptic number.

2125420034 is a deficient number, since it is larger than the sum of its proper divisors (1180746166).

2125420034 is a wasteful number, since it uses less digits than its factorization.

2125420034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90037.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 2125420034 is about 46102.2779697490. The cubic root of 2125420034 is about 1285.7254976459.

Adding to 2125420034 its reverse (4300245212), we get a palindrome (6425665246).

The spelling of 2125420034 in words is "two billion, one hundred twenty-five million, four hundred twenty thousand, thirty-four".