1234212125 has 8 divisors (see below), whose sum is σ = 1540296888. Its totient is φ = 987369600.

The previous prime is 1234212107. The next prime is 1234212149. The reversal of 1234212125 is 5212124321.

It can be written as a sum of positive squares in 4 ways, for example, as 24964 + 1234187161 = 158^2 + 35131^2 .

It is not a de Polignac number, because 1234212125 - 2⁶ = 1234212061 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1234212125.

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 7 ways as a sum of consecutive naturals, for example, 4936724 + ... + 4936973.

It is an arithmetic number, because the mean of its divisors is an integer number (192537111).

Almost surely, 2^1234212125 is an apocalyptic number.

It is an amenable number.

1234212125 is a deficient number, since it is larger than the sum of its proper divisors (306084763).

1234212125 is an frugal number, since it uses more digits than its factorization.

1234212125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9873712 (or 9873702 counting only the distinct ones).

The product of its digits is 960, while the sum is 23.

The square root of 1234212125 is about 35131.3552969424. The cubic root of 1234212125 is about 1072.6629235413.

Adding to 1234212125 its reverse (5212124321), we get a palindrome (6446336446).

The spelling of 1234212125 in words is "one billion, two hundred thirty-four million, two hundred twelve thousand, one hundred twenty-five".