12125834 has 12 divisors (see below), whose sum is σ = 21158514. Its totient is φ = 5196744.

The previous prime is 12125809. The next prime is 12125837. The reversal of 12125834 is 43852121.

It can be written as a sum of positive squares in only one way, i.e., 8684809 + 3441025 = 2947^2 + 1855^2 .

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (12125837) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61769 + ... + 61964.

Almost surely, 2^12125834 is an apocalyptic number.

12125834 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12125834 is a deficient number, since it is larger than the sum of its proper divisors (9032680).

12125834 is a wasteful number, since it uses less digits than its factorization.

12125834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123749 (or 123742 counting only the distinct ones).

The product of its digits is 1920, while the sum is 26.

The square root of 12125834 is about 3482.2168226577. The cubic root of 12125834 is about 229.7403118168.

Adding to 12125834 its reverse (43852121), we get a palindrome (55977955).

The spelling of 12125834 in words is "twelve million, one hundred twenty-five thousand, eight hundred thirty-four".