1146412461 has 4 divisors (see below), whose sum is σ = 1528549952. Its totient is φ = 764274972.

The previous prime is 1146412453. The next prime is 1146412469. The reversal of 1146412461 is 1642146411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1642146411 = 3 ⋅547382137.

It is an interprime number because it is at equal distance from previous prime (1146412453) and next prime (1146412469).

It is not a de Polignac number, because 1146412461 - 2³ = 1146412453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146412469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191068741 + ... + 191068746.

It is an arithmetic number, because the mean of its divisors is an integer number (382137488).

Almost surely, 2^1146412461 is an apocalyptic number.

It is an amenable number.

1146412461 is a deficient number, since it is larger than the sum of its proper divisors (382137491).

1146412461 is an equidigital number, since it uses as much as digits as its factorization.

1146412461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382137490.

The product of its digits is 4608, while the sum is 30.

The square root of 1146412461 is about 33858.7132212670. The cubic root of 1146412461 is about 1046.5989611746.

Adding to 1146412461 its reverse (1642146411), we get a palindrome (2788558872).

The spelling of 1146412461 in words is "one billion, one hundred forty-six million, four hundred twelve thousand, four hundred sixty-one".