1011216747 has 32 divisors (see below), whose sum is σ = 1419497280. Its totient is φ = 639475200.

The previous prime is 1011216737. The next prime is 1011216761. The reversal of 1011216747 is 7476121101.

It is not a de Polignac number, because 1011216747 - 2¹² = 1011212651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1011216707) 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 31 ways as a sum of consecutive naturals, for example, 1379193 + ... + 1379925.

It is an arithmetic number, because the mean of its divisors is an integer number (44359290).

Almost surely, 2^1011216747 is an apocalyptic number.

1011216747 is a deficient number, since it is larger than the sum of its proper divisors (408280533).

1011216747 is a wasteful number, since it uses less digits than its factorization.

1011216747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023.

The product of its (nonzero) digits is 2352, while the sum is 30.

The square root of 1011216747 is about 31799.6343846907. The cubic root of 1011216747 is about 1003.7250226438.

Adding to 1011216747 its reverse (7476121101), we get a palindrome (8487337848).

The spelling of 1011216747 in words is "one billion, eleven million, two hundred sixteen thousand, seven hundred forty-seven".