1146162261 has 8 divisors (see below), whose sum is σ = 1554118560. Its totient is φ = 751157072.

The previous prime is 1146162247. The next prime is 1146162263. The reversal of 1146162261 is 1622616411.

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 1146162261 - 2⁵ = 1146162229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146162263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3237570 + ... + 3237923.

It is an arithmetic number, because the mean of its divisors is an integer number (194264820).

Almost surely, 2^1146162261 is an apocalyptic number.

It is an amenable number.

1146162261 is a deficient number, since it is larger than the sum of its proper divisors (407956299).

1146162261 is an equidigital number, since it uses as much as digits as its factorization.

1146162261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6475555.

The product of its digits is 3456, while the sum is 30.

The square root of 1146162261 is about 33855.0182543150. The cubic root of 1146162261 is about 1046.5228169359.

Adding to 1146162261 its reverse (1622616411), we get a palindrome (2768778672).

The spelling of 1146162261 in words is "one billion, one hundred forty-six million, one hundred sixty-two thousand, two hundred sixty-one".