1226051676 has 72 divisors (see below), whose sum is σ = 3239374320. Its totient is φ = 390491136.

The previous prime is 1226051669. The next prime is 1226051699. The reversal of 1226051676 is 6761506221.

It is a happy number.

1226051676 is a `hidden beast` number, since 12 + 2 + 60 + 516 + 76 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1226051676.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95215 + ... + 107321.

It is an arithmetic number, because the mean of its divisors is an integer number (44991310).

Almost surely, 2^1226051676 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1226051676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1619687160).

1226051676 is an abundant number, since it is smaller than the sum of its proper divisors (2013322644).

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

1226051676 is a wasteful number, since it uses less digits than its factorization.

1226051676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12243 (or 12238 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 1226051676 is about 35015.0207196854. The cubic root of 1226051676 is about 1070.2935916631.

Adding to 1226051676 its reverse (6761506221), we get a palindrome (7987557897).

It can be divided in two parts, 12260 and 51676, that added together give a palindrome (63936).

The spelling of 1226051676 in words is "one billion, two hundred twenty-six million, fifty-one thousand, six hundred seventy-six".