1296151233 has 32 divisors (see below), whose sum is σ = 1895281920. Its totient is φ = 783129600.

The previous prime is 1296151229. The next prime is 1296151249. The reversal of 1296151233 is 3321516921.

It is not a de Polignac number, because 1296151233 - 2² = 1296151229 is a prime.

It is a super-3 number, since 3×1296151233³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1296151194 and 1296151203.

It is not an unprimeable number, because it can be changed into a prime (1296151333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 522885 + ... + 525357.

It is an arithmetic number, because the mean of its divisors is an integer number (59227560).

Almost surely, 2^1296151233 is an apocalyptic number.

1296151233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1296151233 is a deficient number, since it is larger than the sum of its proper divisors (599130687).

1296151233 is a wasteful number, since it uses less digits than its factorization.

1296151233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2729.

The product of its digits is 9720, while the sum is 33.

The square root of 1296151233 is about 36002.1003970602. The cubic root of 1296151233 is about 1090.3147627842.

The spelling of 1296151233 in words is "one billion, two hundred ninety-six million, one hundred fifty-one thousand, two hundred thirty-three".