1258114479 has 16 divisors (see below), whose sum is σ = 1735431264. Its totient is φ = 810176000.

The previous prime is 1258114463. The next prime is 1258114493. The reversal of 1258114479 is 9744118521.

It is a cyclic number.

It is not a de Polignac number, because 1258114479 - 2⁴ = 1258114463 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1258114479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1258114439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38214 + ... + 63059.

It is an arithmetic number, because the mean of its divisors is an integer number (108464454).

Almost surely, 2^1258114479 is an apocalyptic number.

1258114479 is a deficient number, since it is larger than the sum of its proper divisors (477316785).

1258114479 is a wasteful number, since it uses less digits than its factorization.

1258114479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101418.

The product of its digits is 80640, while the sum is 42.

The square root of 1258114479 is about 35469.9094867748. The cubic root of 1258114479 is about 1079.5432679520.

The spelling of 1258114479 in words is "one billion, two hundred fifty-eight million, one hundred fourteen thousand, four hundred seventy-nine".