1268646106 has 32 divisors (see below), whose sum is σ = 2348091648. Its totient is φ = 500601600.

The previous prime is 1268646103. The next prime is 1268646109. The reversal of 1268646106 is 6016468621.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1268646103) and next prime (1268646109).

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1268646103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64291 + ... + 81673.

It is an arithmetic number, because the mean of its divisors is an integer number (73377864).

Almost surely, 2^1268646106 is an apocalyptic number.

1268646106 is a deficient number, since it is larger than the sum of its proper divisors (1079445542).

1268646106 is a wasteful number, since it uses less digits than its factorization.

1268646106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17806.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 1268646106 is about 35618.0587062237. The cubic root of 1268646106 is about 1082.5471730852.

The spelling of 1268646106 in words is "one billion, two hundred sixty-eight million, six hundred forty-six thousand, one hundred six".