1264267343 has 2 divisors, whose sum is σ = 1264267344. Its totient is φ = 1264267342.

The previous prime is 1264267313. The next prime is 1264267369. The reversal of 1264267343 is 3437624621.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1264267343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1264267297 and 1264267306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1264267313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 632133671 + 632133672.

It is an arithmetic number, because the mean of its divisors is an integer number (632133672).

Almost surely, 2^1264267343 is an apocalyptic number.

1264267343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1264267343 is an equidigital number, since it uses as much as digits as its factorization.

1264267343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 38.

The square root of 1264267343 is about 35556.5372751622. The cubic root of 1264267343 is about 1081.3002580668.

The spelling of 1264267343 in words is "one billion, two hundred sixty-four million, two hundred sixty-seven thousand, three hundred forty-three".