1161077052 has 24 divisors (see below), whose sum is σ = 2727125632. Its totient is φ = 384462000.

The previous prime is 1161077051. The next prime is 1161077059. The reversal of 1161077052 is 2507701611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161077051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318574 + ... + 322197.

Almost surely, 2^1161077052 is an apocalyptic number.

1161077052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1161077052 is an abundant number, since it is smaller than the sum of its proper divisors (1566048580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1161077052 is a wasteful number, since it uses less digits than its factorization.

1161077052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640929 (or 640927 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 30.

The square root of 1161077052 is about 34074.5807310963. The cubic root of 1161077052 is about 1051.0426685773.

Adding to 1161077052 its reverse (2507701611), we get a palindrome (3668778663).

The spelling of 1161077052 in words is "one billion, one hundred sixty-one million, seventy-seven thousand, fifty-two".