1231050455 has 16 divisors (see below), whose sum is σ = 1549924608. Its totient is φ = 937440000.

The previous prime is 1231050449. The next prime is 1231050463. The reversal of 1231050455 is 5540501321.

It is not a de Polignac number, because 1231050455 - 2⁶ = 1231050391 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55646 + ... + 74555.

It is an arithmetic number, because the mean of its divisors is an integer number (96870288).

Almost surely, 2^1231050455 is an apocalyptic number.

1231050455 is a deficient number, since it is larger than the sum of its proper divisors (318874153).

1231050455 is a wasteful number, since it uses less digits than its factorization.

1231050455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130298.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 1231050455 is about 35086.3286053129. The cubic root of 1231050455 is about 1071.7461966793.

Adding to 1231050455 its reverse (5540501321), we get a palindrome (6771551776).

The spelling of 1231050455 in words is "one billion, two hundred thirty-one million, fifty thousand, four hundred fifty-five".