1161032419 has 4 divisors (see below), whose sum is σ = 1161100944. Its totient is φ = 1160963896.

The previous prime is 1161032413. The next prime is 1161032423. The reversal of 1161032419 is 9142301611.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9142301611 = 19 ⋅481173769.

It is a cyclic number.

It is not a de Polignac number, because 1161032419 - 2⁷ = 1161032291 is a prime.

It is a super-2 number, since 2×1161032419² = 2695992555937983122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1161032413) 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, 11754 + ... + 49600.

It is an arithmetic number, because the mean of its divisors is an integer number (290275236).

Almost surely, 2^1161032419 is an apocalyptic number.

1161032419 is a deficient number, since it is larger than the sum of its proper divisors (68525).

1161032419 is an equidigital number, since it uses as much as digits as its factorization.

1161032419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68524.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 1161032419 is about 34073.9257937796. The cubic root of 1161032419 is about 1051.0292006832.

The spelling of 1161032419 in words is "one billion, one hundred sixty-one million, thirty-two thousand, four hundred nineteen".