1114940161 has 4 divisors (see below), whose sum is σ = 1115012052. Its totient is φ = 1114868272.

The previous prime is 1114940149. The next prime is 1114940173. The reversal of 1114940161 is 1610494111.

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 an interprime number because it is at equal distance from previous prime (1114940149) and next prime (1114940173).

It can be written as a sum of positive squares in 2 ways, for example, as 208629136 + 906311025 = 14444^2 + 30105^2 .

It is a cyclic number.

It is not a de Polignac number, because 1114940161 - 2⁹ = 1114939649 is a prime.

It is a super-2 number, since 2×1114940161² = 2486183125221411842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1114940131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1990 + ... + 47263.

It is an arithmetic number, because the mean of its divisors is an integer number (278753013).

Almost surely, 2^1114940161 is an apocalyptic number.

It is an amenable number.

1114940161 is a deficient number, since it is larger than the sum of its proper divisors (71891).

1114940161 is an equidigital number, since it uses as much as digits as its factorization.

1114940161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71890.

The product of its (nonzero) digits is 864, while the sum is 28.

The square root of 1114940161 is about 33390.7196837684. The cubic root of 1114940161 is about 1036.9325793779.

The spelling of 1114940161 in words is "one billion, one hundred fourteen million, nine hundred forty thousand, one hundred sixty-one".