1259742 has 16 divisors (see below), whose sum is σ = 2748672. Its totient is φ = 381720.

The previous prime is 1259737. The next prime is 1259743. The reversal of 1259742 is 2479521.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1259743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9478 + ... + 9609.

It is an arithmetic number, because the mean of its divisors is an integer number (171792).

2^1259742 is an apocalyptic number.

1259742 is an abundant number, since it is smaller than the sum of its proper divisors (1488930).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1259742 is a wasteful number, since it uses less digits than its factorization.

1259742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19103.

The product of its digits is 5040, while the sum is 30.

The square root of 1259742 is about 1122.3822878146. The cubic root of 1259742 is about 108.0008573320. Note that the first 3 decimals are identical.

Subtracting from 1259742 its sum of digits (30), we obtain a cube (1259712 = 108³).

The spelling of 1259742 in words is "one million, two hundred fifty-nine thousand, seven hundred forty-two".