1101199487 has 4 divisors (see below), whose sum is σ = 1101267360. Its totient is φ = 1101131616.

The previous prime is 1101199469. The next prime is 1101199507. The reversal of 1101199487 is 7849911011.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1101199487 - 2¹⁶ = 1101133951 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 (1101199457) 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 3 ways as a sum of consecutive naturals, for example, 6314 + ... + 47352.

It is an arithmetic number, because the mean of its divisors is an integer number (275316840).

Almost surely, 2^1101199487 is an apocalyptic number.

1101199487 is a deficient number, since it is larger than the sum of its proper divisors (67873).

1101199487 is an equidigital number, since it uses as much as digits as its factorization.

1101199487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67872.

The product of its (nonzero) digits is 18144, while the sum is 41.

The square root of 1101199487 is about 33184.3259235441. The cubic root of 1101199487 is about 1032.6551932706.

The spelling of 1101199487 in words is "one billion, one hundred one million, one hundred ninety-nine thousand, four hundred eighty-seven".