1259428934 has 8 divisors (see below), whose sum is σ = 1893278568. Its totient is φ = 628336080.

The previous prime is 1259428931. The next prime is 1259428991. The reversal of 1259428934 is 4398249521.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1259428934² = 3172322479592752712, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1259428931) 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 3 ways as a sum of consecutive naturals, for example, 688052 + ... + 689879.

It is an arithmetic number, because the mean of its divisors is an integer number (236659821).

Almost surely, 2^1259428934 is an apocalyptic number.

1259428934 is a deficient number, since it is larger than the sum of its proper divisors (633849634).

1259428934 is a wasteful number, since it uses less digits than its factorization.

1259428934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378390.

The product of its digits is 622080, while the sum is 47.

The square root of 1259428934 is about 35488.4338059599. The cubic root of 1259428934 is about 1079.9190994499.

The spelling of 1259428934 in words is "one billion, two hundred fifty-nine million, four hundred twenty-eight thousand, nine hundred thirty-four".