1226025779 has 12 divisors (see below), whose sum is σ = 1385203560. Its totient is φ = 1076127360.

The previous prime is 1226025767. The next prime is 1226025793. The reversal of 1226025779 is 9775206221.

It is not a de Polignac number, because 1226025779 - 2¹⁶ = 1225960243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1226025739) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57014 + ... + 75515.

It is an arithmetic number, because the mean of its divisors is an integer number (115433630).

Almost surely, 2^1226025779 is an apocalyptic number.

1226025779 is a deficient number, since it is larger than the sum of its proper divisors (159177781).

1226025779 is a wasteful number, since it uses less digits than its factorization.

1226025779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132598 (or 132569 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 1226025779 is about 35014.6509192938. The cubic root of 1226025779 is about 1070.2860559317.

The spelling of 1226025779 in words is "one billion, two hundred twenty-six million, twenty-five thousand, seven hundred seventy-nine".