1246151131 has 2 divisors, whose sum is σ = 1246151132. Its totient is φ = 1246151130.

The previous prime is 1246151129. The next prime is 1246151167. The reversal of 1246151131 is 1311516421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1246151131 - 2¹ = 1246151129 is a prime.

It is a super-2 number, since 2×1246151131² = 3105785282585158322, which contains 22 as substring.

Together with 1246151129, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1246151096 and 1246151105.

It is not a weakly prime, because it can be changed into another prime (1246751131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 623075565 + 623075566.

It is an arithmetic number, because the mean of its divisors is an integer number (623075566).

Almost surely, 2^1246151131 is an apocalyptic number.

1246151131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1246151131 is an equidigital number, since it uses as much as digits as its factorization.

1246151131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 720, while the sum is 25.

The square root of 1246151131 is about 35300.8658675676. The cubic root of 1246151131 is about 1076.1105900507.

Adding to 1246151131 its reverse (1311516421), we get a palindrome (2557667552).

The spelling of 1246151131 in words is "one billion, two hundred forty-six million, one hundred fifty-one thousand, one hundred thirty-one".