1161674229 has 4 divisors (see below), whose sum is σ = 1548898976. Its totient is φ = 774449484.

The previous prime is 1161674203. The next prime is 1161674249. The reversal of 1161674229 is 9224761611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1161674229 - 2²³ = 1153285621 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 (1161674249) 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, 193612369 + ... + 193612374.

It is an arithmetic number, because the mean of its divisors is an integer number (387224744).

Almost surely, 2^1161674229 is an apocalyptic number.

It is an amenable number.

1161674229 is a deficient number, since it is larger than the sum of its proper divisors (387224747).

1161674229 is an equidigital number, since it uses as much as digits as its factorization.

1161674229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387224746.

The product of its digits is 36288, while the sum is 39.

The square root of 1161674229 is about 34083.3423977168. The cubic root of 1161674229 is about 1051.2228320240. Note that the first 3 decimals are identical.

The spelling of 1161674229 in words is "one billion, one hundred sixty-one million, six hundred seventy-four thousand, two hundred twenty-nine".