1259255342 has 16 divisors (see below), whose sum is σ = 1957800240. Its totient is φ = 606739392.

The previous prime is 1259255321. The next prime is 1259255351. The reversal of 1259255342 is 2435529521.

It is a junction number, because it is equal to n+sod(n) for n = 1259255296 and 1259255305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9578 + ... + 51090.

It is an arithmetic number, because the mean of its divisors is an integer number (122362515).

Almost surely, 2^1259255342 is an apocalyptic number.

1259255342 is a deficient number, since it is larger than the sum of its proper divisors (698544898).

1259255342 is a wasteful number, since it uses less digits than its factorization.

1259255342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42067.

The product of its digits is 108000, while the sum is 38.

The square root of 1259255342 is about 35485.9879670836. The cubic root of 1259255342 is about 1079.8694806835.

The spelling of 1259255342 in words is "one billion, two hundred fifty-nine million, two hundred fifty-five thousand, three hundred forty-two".