1226177039 has 2 divisors, whose sum is σ = 1226177040. Its totient is φ = 1226177038.

The previous prime is 1226177021. The next prime is 1226177107. The reversal of 1226177039 is 9307716221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1226177039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1226176993 and 1226177011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1226177339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 613088519 + 613088520.

It is an arithmetic number, because the mean of its divisors is an integer number (613088520).

Almost surely, 2^1226177039 is an apocalyptic number.

1226177039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1226177039 is an equidigital number, since it uses as much as digits as its factorization.

1226177039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 1226177039 is about 35016.8108056688. The cubic root of 1226177039 is about 1070.3300693650.

The spelling of 1226177039 in words is "one billion, two hundred twenty-six million, one hundred seventy-seven thousand, thirty-nine".