1181114879 has 32 divisors (see below), whose sum is σ = 1453478400. Its totient is φ = 937319040.

The previous prime is 1181114863. The next prime is 1181114897. The reversal of 1181114879 is 9784111811.

It is not a de Polignac number, because 1181114879 - 2⁴ = 1181114863 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 (1181114819) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1597892 + ... + 1598630.

It is an arithmetic number, because the mean of its divisors is an integer number (45421200).

Almost surely, 2^1181114879 is an apocalyptic number.

1181114879 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1181114879 is a deficient number, since it is larger than the sum of its proper divisors (272363521).

1181114879 is a wasteful number, since it uses less digits than its factorization.

1181114879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023.

The product of its digits is 16128, while the sum is 41.

The square root of 1181114879 is about 34367.3519346487. The cubic root of 1181114879 is about 1057.0545019002.

The spelling of 1181114879 in words is "one billion, one hundred eighty-one million, one hundred fourteen thousand, eight hundred seventy-nine".