1226204042 has 32 divisors (see below), whose sum is σ = 2185729920. Its totient is φ = 504786240.

The previous prime is 1226204041. The next prime is 1226204047. The reversal of 1226204042 is 2404026221.

It is a junction number, because it is equal to n+sod(n) for n = 1226203999 and 1226204017.

It is not an unprimeable number, because it can be changed into a prime (1226204041) by changing a digit.

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, 72317 + ... + 87647.

It is an arithmetic number, because the mean of its divisors is an integer number (68304060).

Almost surely, 2^1226204042 is an apocalyptic number.

1226204042 is a deficient number, since it is larger than the sum of its proper divisors (959525878).

1226204042 is a wasteful number, since it uses less digits than its factorization.

1226204042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15566.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1226204042 is about 35017.1963754953. The cubic root of 1226204042 is about 1070.3379262812.

The spelling of 1226204042 in words is "one billion, two hundred twenty-six million, two hundred four thousand, forty-two".