1075126243 has 2 divisors, whose sum is σ = 1075126244. Its totient is φ = 1075126242.

The previous prime is 1075126207. The next prime is 1075126303. The reversal of 1075126243 is 3426215701.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1075126243 is a prime.

It is not a weakly prime, because it can be changed into another prime (1075126043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537563121 + 537563122.

It is an arithmetic number, because the mean of its divisors is an integer number (537563122).

Almost surely, 2^1075126243 is an apocalyptic number.

1075126243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1075126243 is an equidigital number, since it uses as much as digits as its factorization.

1075126243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 1075126243 is about 32789.1177526935. The cubic root of 1075126243 is about 1024.4399059391.

It can be divided in two parts, 1075126 and 243, that added together give a square (1075369 = 1037²).

The spelling of 1075126243 in words is "one billion, seventy-five million, one hundred twenty-six thousand, two hundred forty-three".