1102858991 has 8 divisors (see below), whose sum is σ = 1189972560. Its totient is φ = 1016070912.

The previous prime is 1102858987. The next prime is 1102858997. The reversal of 1102858991 is 1998582011.

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 1102858991 - 2² = 1102858987 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102858997) 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 7 ways as a sum of consecutive naturals, for example, 74306 + ... + 87903.

It is an arithmetic number, because the mean of its divisors is an integer number (148746570).

Almost surely, 2^1102858991 is an apocalyptic number.

1102858991 is a deficient number, since it is larger than the sum of its proper divisors (87113569).

1102858991 is a wasteful number, since it uses less digits than its factorization.

1102858991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162745.

The product of its (nonzero) digits is 51840, while the sum is 44.

The square root of 1102858991 is about 33209.3208452085. The cubic root of 1102858991 is about 1033.1736689024.

The spelling of 1102858991 in words is "one billion, one hundred two million, eight hundred fifty-eight thousand, nine hundred ninety-one".