1203823126 has 32 divisors (see below), whose sum is σ = 2029805568. Its totient is φ = 530759040.

The previous prime is 1203823097. The next prime is 1203823133. The reversal of 1203823126 is 6213283021.

It is a junction number, because it is equal to n+sod(n) for n = 1203823094 and 1203823103.

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 15 ways as a sum of consecutive naturals, for example, 111691 + ... + 121993.

It is an arithmetic number, because the mean of its divisors is an integer number (63431424).

Almost surely, 2^1203823126 is an apocalyptic number.

1203823126 is a deficient number, since it is larger than the sum of its proper divisors (825982442).

1203823126 is a wasteful number, since it uses less digits than its factorization.

1203823126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10476.

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

The square root of 1203823126 is about 34696.1543402147. The cubic root of 1203823126 is about 1063.7858943896.

The spelling of 1203823126 in words is "one billion, two hundred three million, eight hundred twenty-three thousand, one hundred twenty-six".