1152042461 has 8 divisors (see below), whose sum is σ = 1164483000. Its totient is φ = 1139622400.

The previous prime is 1152042457. The next prime is 1152042467. The reversal of 1152042461 is 1642402511.

It can be written as a sum of positive squares in 4 ways, for example, as 249039961 + 903002500 = 15781^2 + 30050^2 .

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 1152042461 - 2² = 1152042457 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1152042461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1152042467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125765 + ... + 134613.

It is an arithmetic number, because the mean of its divisors is an integer number (145560375).

Almost surely, 2^1152042461 is an apocalyptic number.

It is an amenable number.

1152042461 is a deficient number, since it is larger than the sum of its proper divisors (12440539).

1152042461 is a wasteful number, since it uses less digits than its factorization.

1152042461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10239.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 1152042461 is about 33941.7510007955. The cubic root of 1152042461 is about 1048.3094370740.

Adding to 1152042461 its reverse (1642402511), we get a palindrome (2794444972).

The spelling of 1152042461 in words is "one billion, one hundred fifty-two million, forty-two thousand, four hundred sixty-one".