1161062001 has 12 divisors (see below), whose sum is σ = 1829552400. Its totient is φ = 703673880.

The previous prime is 1161061997. The next prime is 1161062033. The reversal of 1161062001 is 1002601611.

It is not a de Polignac number, because 1161062001 - 2² = 1161061997 is a prime.

It is a super-2 number, since 2×1161062001² = 2696129940332248002, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1161062401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5863851 + ... + 5864048.

It is an arithmetic number, because the mean of its divisors is an integer number (152462700).

Almost surely, 2^1161062001 is an apocalyptic number.

1161062001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1161062001 is a deficient number, since it is larger than the sum of its proper divisors (668490399).

1161062001 is a wasteful number, since it uses less digits than its factorization.

1161062001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11727916 (or 11727913 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 1161062001 is about 34074.3598765993. The cubic root of 1161062001 is about 1051.0381270150.

Adding to 1161062001 its reverse (1002601611), we get a palindrome (2163663612).

The spelling of 1161062001 in words is "one billion, one hundred sixty-one million, sixty-two thousand, one".