1226861030 has 32 divisors (see below), whose sum is σ = 2232480096. Its totient is φ = 485409024.

The previous prime is 1226861023. The next prime is 1226861033. The reversal of 1226861030 is 301686221.

It is a junction number, because it is equal to n+sod(n) for n = 1226860984 and 1226861002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226861033) 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, 419132 + ... + 422048.

It is an arithmetic number, because the mean of its divisors is an integer number (69765003).

Almost surely, 2^1226861030 is an apocalyptic number.

1226861030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1226861030 is a deficient number, since it is larger than the sum of its proper divisors (1005619066).

1226861030 is a wasteful number, since it uses less digits than its factorization.

1226861030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3368.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 1226861030 is about 35026.5760530486. The cubic root of 1226861030 is about 1070.5290509766.

The spelling of 1226861030 in words is "one billion, two hundred twenty-six million, eight hundred sixty-one thousand, thirty".