1102668491 has 8 divisors (see below), whose sum is σ = 1127070720. Its totient is φ = 1078527528.

The previous prime is 1102668451. The next prime is 1102668503. The reversal of 1102668491 is 1948662011.

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

It is a cyclic number.

It is not a de Polignac number, because 1102668491 - 2¹⁴ = 1102652107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1102668451) 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, 56771 + ... + 73676.

It is an arithmetic number, because the mean of its divisors is an integer number (140883840).

Almost surely, 2^1102668491 is an apocalyptic number.

1102668491 is a deficient number, since it is larger than the sum of its proper divisors (24402229).

1102668491 is a wasteful number, since it uses less digits than its factorization.

1102668491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130633.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 1102668491 is about 33206.4525506715. The cubic root of 1102668491 is about 1033.1141777922.

The spelling of 1102668491 in words is "one billion, one hundred two million, six hundred sixty-eight thousand, four hundred ninety-one".