1226611026 has 28 divisors (see below), whose sum is σ = 2758616142. Its totient is φ = 408869856.

The previous prime is 1226610989. The next prime is 1226611039. The reversal of 1226611026 is 6201166221.

1226611026 is a `hidden beast` number, since 1 + 2 + 26 + 611 + 0 + 26 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1166564025 + 60047001 = 34155^2 + 7749^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

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 13 ways as a sum of consecutive naturals, for example, 419191 + ... + 422106.

Almost surely, 2^1226611026 is an apocalyptic number.

1226611026 is an abundant number, since it is smaller than the sum of its proper divisors (1532005116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1226611026 is an frugal number, since it uses more digits than its factorization.

1226611026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841317 (or 841302 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 1226611026 is about 35023.0070953366. The cubic root of 1226611026 is about 1070.4563302365.

Adding to 1226611026 its reverse (6201166221), we get a palindrome (7427777247).

The spelling of 1226611026 in words is "one billion, two hundred twenty-six million, six hundred eleven thousand, twenty-six".