1275112733 has 2 divisors, whose sum is σ = 1275112734. Its totient is φ = 1275112732.

The previous prime is 1275112721. The next prime is 1275112757. The reversal of 1275112733 is 3372115721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1082541604 + 192571129 = 32902^2 + 13877^2 .

It is a cyclic number.

It is not a de Polignac number, because 1275112733 - 2¹⁴ = 1275096349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1275112733.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1275112793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 637556366 + 637556367.

It is an arithmetic number, because the mean of its divisors is an integer number (637556367).

Almost surely, 2^1275112733 is an apocalyptic number.

It is an amenable number.

1275112733 is a deficient number, since it is larger than the sum of its proper divisors (1).

1275112733 is an equidigital number, since it uses as much as digits as its factorization.

1275112733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8820, while the sum is 32.

The square root of 1275112733 is about 35708.7206855692. The cubic root of 1275112733 is about 1084.3834004260.

The spelling of 1275112733 in words is "one billion, two hundred seventy-five million, one hundred twelve thousand, seven hundred thirty-three".