1258114478 has 32 divisors (see below), whose sum is σ = 2118451968. Its totient is φ = 557452800.

The previous prime is 1258114463. The next prime is 1258114493. The reversal of 1258114478 is 8744118521.

It is an interprime number because it is at equal distance from previous prime (1258114463) and next prime (1258114493).

1258114478 is a modest number, since divided by 114478 gives 1258 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22868 + ... + 55128.

It is an arithmetic number, because the mean of its divisors is an integer number (66201624).

Almost surely, 2^1258114478 is an apocalyptic number.

1258114478 is a deficient number, since it is larger than the sum of its proper divisors (860337490).

1258114478 is a wasteful number, since it uses less digits than its factorization.

1258114478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32348.

The product of its digits is 71680, while the sum is 41.

The square root of 1258114478 is about 35469.9094726784. The cubic root of 1258114478 is about 1079.5432676660.

The spelling of 1258114478 in words is "one billion, two hundred fifty-eight million, one hundred fourteen thousand, four hundred seventy-eight".