1259070434 has 4 divisors (see below), whose sum is σ = 1888605654. Its totient is φ = 629535216.

The previous prime is 1259070389. The next prime is 1259070437. The reversal of 1259070434 is 4340709521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4340709521 = 2129 ⋅2038849.

It can be written as a sum of positive squares in only one way, i.e., 1032658225 + 226412209 = 32135^2 + 15047^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1259070394 and 1259070403.

It is not an unprimeable number, because it can be changed into a prime (1259070437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314767607 + ... + 314767610.

Almost surely, 2^1259070434 is an apocalyptic number.

1259070434 is a deficient number, since it is larger than the sum of its proper divisors (629535220).

1259070434 is an equidigital number, since it uses as much as digits as its factorization.

1259070434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629535219.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 1259070434 is about 35483.3825050544. The cubic root of 1259070434 is about 1079.8166223861.

Adding to 1259070434 its reverse (4340709521), we get a palindrome (5599779955).

The spelling of 1259070434 in words is "one billion, two hundred fifty-nine million, seventy thousand, four hundred thirty-four".