1226926379 has 16 divisors (see below), whose sum is σ = 1414957056. Its totient is φ = 1042113600.

The previous prime is 1226926373. The next prime is 1226926429. The reversal of 1226926379 is 9736296221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1226926379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1226926373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 949724 + ... + 951014.

It is an arithmetic number, because the mean of its divisors is an integer number (88434816).

Almost surely, 2^1226926379 is an apocalyptic number.

1226926379 is a deficient number, since it is larger than the sum of its proper divisors (188030677).

1226926379 is a wasteful number, since it uses less digits than its factorization.

1226926379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2426.

The product of its digits is 489888, while the sum is 47.

The square root of 1226926379 is about 35027.5088894429. The cubic root of 1226926379 is about 1070.5480579543.

The spelling of 1226926379 in words is "one billion, two hundred twenty-six million, nine hundred twenty-six thousand, three hundred seventy-nine".