1226995706 has 16 divisors (see below), whose sum is σ = 1953180864. Its totient is φ = 576099264.

The previous prime is 1226995691. The next prime is 1226995709. The reversal of 1226995706 is 6075996221.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1226995709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25670 + ... + 55793.

It is an arithmetic number, because the mean of its divisors is an integer number (122073804).

Almost surely, 2^1226995706 is an apocalyptic number.

1226995706 is a deficient number, since it is larger than the sum of its proper divisors (726185158).

1226995706 is a wasteful number, since it uses less digits than its factorization.

1226995706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81925.

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 1226995706 is about 35028.4984833778. The cubic root of 1226995706 is about 1070.5682212090.

The spelling of 1226995706 in words is "one billion, two hundred twenty-six million, nine hundred ninety-five thousand, seven hundred six".