1102787213 has 8 divisors (see below), whose sum is σ = 1212225696. Its totient is φ = 994879600.

The previous prime is 1102787177. The next prime is 1102787221. The reversal of 1102787213 is 3127872011.

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

It is a de Polignac number, because none of the positive numbers 2^k-1102787213 is a prime.

It is a super-2 number, since 2×1102787213² = 2432279274312614738, which contains 22 as substring.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 1102787213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102787243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 381206 + ... + 384087.

It is an arithmetic number, because the mean of its divisors is an integer number (151528212).

Almost surely, 2^1102787213 is an apocalyptic number.

It is an amenable number.

1102787213 is a deficient number, since it is larger than the sum of its proper divisors (109438483).

1102787213 is a wasteful number, since it uses less digits than its factorization.

1102787213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765435.

The product of its (nonzero) digits is 4704, while the sum is 32.

The square root of 1102787213 is about 33208.2401370503. The cubic root of 1102787213 is about 1033.1512542060.

The spelling of 1102787213 in words is "one billion, one hundred two million, seven hundred eighty-seven thousand, two hundred thirteen".