1231051041 has 40 divisors (see below), whose sum is σ = 2024076384. Its totient is φ = 739428480.

The previous prime is 1231051033. The next prime is 1231051061. The reversal of 1231051041 is 1401501321.

It is not a de Polignac number, because 1231051041 - 2³ = 1231051033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1231051001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 94570 + ... + 106796.

Almost surely, 2^1231051041 is an apocalyptic number.

1231051041 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1231051041 is a deficient number, since it is larger than the sum of its proper divisors (793025343).

1231051041 is a wasteful number, since it uses less digits than its factorization.

1231051041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12363 (or 12354 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 1231051041 is about 35086.3369561429. The cubic root of 1231051041 is about 1071.7463667355.

Adding to 1231051041 its reverse (1401501321), we get a palindrome (2632552362).

The spelling of 1231051041 in words is "one billion, two hundred thirty-one million, fifty-one thousand, forty-one".