1210796643 has 32 divisors (see below), whose sum is σ = 1881745920. Its totient is φ = 678182400.

The previous prime is 1210796611. The next prime is 1210796683. The reversal of 1210796643 is 3466970121.

It is not a de Polignac number, because 1210796643 - 2⁵ = 1210796611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1210796683) 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 31 ways as a sum of consecutive naturals, for example, 495621 + ... + 498057.

It is an arithmetic number, because the mean of its divisors is an integer number (58804560).

Almost surely, 2^1210796643 is an apocalyptic number.

1210796643 is a deficient number, since it is larger than the sum of its proper divisors (670949277).

1210796643 is a wasteful number, since it uses less digits than its factorization.

1210796643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2907.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 1210796643 is about 34796.5033157069. The cubic root of 1210796643 is about 1065.8360434689.

The spelling of 1210796643 in words is "one billion, two hundred ten million, seven hundred ninety-six thousand, six hundred forty-three".