1161307059 has 48 divisors (see below), whose sum is σ = 1778837760. Its totient is φ = 672548800.

The previous prime is 1161307039. The next prime is 1161307061. The reversal of 1161307059 is 9507031611.

It is a happy number.

It is not a de Polignac number, because 1161307059 - 2²⁹ = 624436147 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (1161307019) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1125874 + ... + 1126904.

It is an arithmetic number, because the mean of its divisors is an integer number (37059120).

Almost surely, 2^1161307059 is an apocalyptic number.

1161307059 is a deficient number, since it is larger than the sum of its proper divisors (617530701).

1161307059 is a wasteful number, since it uses less digits than its factorization.

1161307059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1192 (or 1181 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 33.

The square root of 1161307059 is about 34077.9556164979. The cubic root of 1161307059 is about 1051.1120671325.

The spelling of 1161307059 in words is "one billion, one hundred sixty-one million, three hundred seven thousand, fifty-nine".