1161327742 has 4 divisors (see below), whose sum is σ = 1741991616. Its totient is φ = 580663870.

The previous prime is 1161327737. The next prime is 1161327757. The reversal of 1161327742 is 2477231611.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 1161327698 and 1161327707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 290331934 + ... + 290331937.

It is an arithmetic number, because the mean of its divisors is an integer number (435497904).

Almost surely, 2^1161327742 is an apocalyptic number.

1161327742 is a deficient number, since it is larger than the sum of its proper divisors (580663874).

1161327742 is an equidigital number, since it uses as much as digits as its factorization.

1161327742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580663873.

The product of its digits is 14112, while the sum is 34.

The square root of 1161327742 is about 34078.2590811209. The cubic root of 1161327742 is about 1051.1183072340.

The spelling of 1161327742 in words is "one billion, one hundred sixty-one million, three hundred twenty-seven thousand, seven hundred forty-two".