1231340546 has 8 divisors (see below), whose sum is σ = 1847369484. Its totient is φ = 615550720.

The previous prime is 1231340533. The next prime is 1231340563. The reversal of 1231340546 is 6450431321.

It can be written as a sum of positive squares in 2 ways, for example, as 899700025 + 331640521 = 29995^2 + 18211^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46295 + ... + 67866.

Almost surely, 2^1231340546 is an apocalyptic number.

1231340546 is a deficient number, since it is larger than the sum of its proper divisors (616028938).

1231340546 is a wasteful number, since it uses less digits than its factorization.

1231340546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119556.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 1231340546 is about 35090.4623224032. The cubic root of 1231340546 is about 1071.8303739787.

Adding to 1231340546 its reverse (6450431321), we get a palindrome (7681771867).

The spelling of 1231340546 in words is "one billion, two hundred thirty-one million, three hundred forty thousand, five hundred forty-six".