1226087377 has 2 divisors, whose sum is σ = 1226087378. Its totient is φ = 1226087376.

The previous prime is 1226087363. The next prime is 1226087399. The reversal of 1226087377 is 7737806221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1196537281 + 29550096 = 34591^2 + 5436^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1226087377 is a prime.

It is not a weakly prime, because it can be changed into another prime (1226087077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 613043688 + 613043689.

It is an arithmetic number, because the mean of its divisors is an integer number (613043689).

Almost surely, 2^1226087377 is an apocalyptic number.

It is an amenable number.

1226087377 is a deficient number, since it is larger than the sum of its proper divisors (1).

1226087377 is an equidigital number, since it uses as much as digits as its factorization.

1226087377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 197568, while the sum is 43.

The square root of 1226087377 is about 35015.5305114745. The cubic root of 1226087377 is about 1070.3039800726.

The spelling of 1226087377 in words is "one billion, two hundred twenty-six million, eighty-seven thousand, three hundred seventy-seven".