1216300934 has 8 divisors (see below), whose sum is σ = 1883304768. Its totient is φ = 588532680.

The previous prime is 1216300931. The next prime is 1216300949. The reversal of 1216300934 is 4390036121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1216300897 and 1216300906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1216300931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9808817 + ... + 9808940.

It is an arithmetic number, because the mean of its divisors is an integer number (235413096).

Almost surely, 2^1216300934 is an apocalyptic number.

1216300934 is a deficient number, since it is larger than the sum of its proper divisors (667003834).

1216300934 is a wasteful number, since it uses less digits than its factorization.

1216300934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19617790.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 1216300934 is about 34875.5062185483. The cubic root of 1216300934 is about 1067.4487018734.

The spelling of 1216300934 in words is "one billion, two hundred sixteen million, three hundred thousand, nine hundred thirty-four".