1226671037 has 2 divisors, whose sum is σ = 1226671038. Its totient is φ = 1226671036.

The previous prime is 1226671013. The next prime is 1226671063. The reversal of 1226671037 is 7301766221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1195154041 + 31516996 = 34571^2 + 5614^2 .

It is a cyclic number.

It is not a de Polignac number, because 1226671037 - 2¹⁸ = 1226408893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1226670988 and 1226671006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1226671637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 613335518 + 613335519.

It is an arithmetic number, because the mean of its divisors is an integer number (613335519).

Almost surely, 2^1226671037 is an apocalyptic number.

It is an amenable number.

1226671037 is a deficient number, since it is larger than the sum of its proper divisors (1).

1226671037 is an equidigital number, since it uses as much as digits as its factorization.

1226671037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 1226671037 is about 35023.8638216859. The cubic root of 1226671037 is about 1070.4737870357.

The spelling of 1226671037 in words is "one billion, two hundred twenty-six million, six hundred seventy-one thousand, thirty-seven".