1114919287 has 4 divisors (see below), whose sum is σ = 1127446560. Its totient is φ = 1102392016.

The previous prime is 1114919251. The next prime is 1114919303. The reversal of 1114919287 is 7829194111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1114919287 - 2¹⁵ = 1114886519 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 (1114919207) 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, 6263503 + ... + 6263680.

It is an arithmetic number, because the mean of its divisors is an integer number (281861640).

Almost surely, 2^1114919287 is an apocalyptic number.

1114919287 is a deficient number, since it is larger than the sum of its proper divisors (12527273).

1114919287 is an equidigital number, since it uses as much as digits as its factorization.

1114919287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12527272.

The product of its digits is 36288, while the sum is 43.

The square root of 1114919287 is about 33390.4071104262. The cubic root of 1114919287 is about 1036.9261081589.

It can be divided in two parts, 1114919 and 287, that multiplied together give a triangular number (319981753 = T₂₅₂₉₇).

The spelling of 1114919287 in words is "one billion, one hundred fourteen million, nine hundred nineteen thousand, two hundred eighty-seven".