1226877716 has 12 divisors (see below), whose sum is σ = 2147727540. Its totient is φ = 613241280.

The previous prime is 1226877713. The next prime is 1226877719. The reversal of 1226877716 is 6177786221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1226877713) and next prime (1226877719).

It can be written as a sum of positive squares in 2 ways, for example, as 1046781316 + 180096400 = 32354^2 + 13420^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226877713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34955 + ... + 60626.

It is an arithmetic number, because the mean of its divisors is an integer number (178977295).

Almost surely, 2^1226877716 is an apocalyptic number.

It is an amenable number.

1226877716 is a deficient number, since it is larger than the sum of its proper divisors (920849824).

1226877716 is a wasteful number, since it uses less digits than its factorization.

1226877716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98794 (or 98792 counting only the distinct ones).

The product of its digits is 395136, while the sum is 47.

The square root of 1226877716 is about 35026.8142428055. The cubic root of 1226877716 is about 1070.5339042203.

The spelling of 1226877716 in words is "one billion, two hundred twenty-six million, eight hundred seventy-seven thousand, seven hundred sixteen".