1161229937 has 8 divisors (see below), whose sum is σ = 1330368000. Its totient is φ = 992903904.

The previous prime is 1161229913. The next prime is 1161229943. The reversal of 1161229937 is 7399221611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1161229937 - 2⁶ = 1161229873 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1161229894 and 1161229903.

It is not an unprimeable number, because it can be changed into a prime (1161229967) 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 7 ways as a sum of consecutive naturals, for example, 199937 + ... + 205662.

It is an arithmetic number, because the mean of its divisors is an integer number (166296000).

Almost surely, 2^1161229937 is an apocalyptic number.

It is an amenable number.

1161229937 is a deficient number, since it is larger than the sum of its proper divisors (169138063).

1161229937 is an equidigital number, since it uses as much as digits as its factorization.

1161229937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406015.

The product of its digits is 40824, while the sum is 41.

The square root of 1161229937 is about 34076.8240450896. The cubic root of 1161229937 is about 1051.0887986212.

The spelling of 1161229937 in words is "one billion, one hundred sixty-one million, two hundred twenty-nine thousand, nine hundred thirty-seven".