1230122836 has 12 divisors (see below), whose sum is σ = 2205220500. Its totient is φ = 600059840.

The previous prime is 1230122827. The next prime is 1230122837. The reversal of 1230122836 is 6382210321.

It can be written as a sum of positive squares in 2 ways, for example, as 17690436 + 1212432400 = 4206^2 + 34820^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230122837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3750211 + ... + 3750538.

It is an arithmetic number, because the mean of its divisors is an integer number (183768375).

Almost surely, 2^1230122836 is an apocalyptic number.

It is an amenable number.

1230122836 is a deficient number, since it is larger than the sum of its proper divisors (975097664).

1230122836 is a wasteful number, since it uses less digits than its factorization.

1230122836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7500794 (or 7500792 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 1230122836 is about 35073.1070194815. The cubic root of 1230122836 is about 1071.4769355929.

The spelling of 1230122836 in words is "one billion, two hundred thirty million, one hundred twenty-two thousand, eight hundred thirty-six".