1258955 has 4 divisors (see below), whose sum is σ = 1510752. Its totient is φ = 1007160.

The previous prime is 1258937. The next prime is 1258967. The reversal of 1258955 is 5598521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5598521 = 19 ⋅294659.

It is not a de Polignac number, because 1258955 - 2¹⁰ = 1257931 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125891 + ... + 125900.

It is an arithmetic number, because the mean of its divisors is an integer number (377688).

2^1258955 is an apocalyptic number.

1258955 is a deficient number, since it is larger than the sum of its proper divisors (251797).

1258955 is an equidigital number, since it uses as much as digits as its factorization.

1258955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251796.

The product of its digits is 18000, while the sum is 35.

The square root of 1258955 is about 1122.0316394826. The cubic root of 1258955 is about 107.9783621489.

The spelling of 1258955 in words is "one million, two hundred fifty-eight thousand, nine hundred fifty-five".