1248587155 has 16 divisors (see below), whose sum is σ = 1549384704. Its totient is φ = 964931040.

The previous prime is 1248587107. The next prime is 1248587161. The reversal of 1248587155 is 5517858421.

It is not a de Polignac number, because 1248587155 - 2⁷ = 1248587027 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84124 + ... + 97846.

It is an arithmetic number, because the mean of its divisors is an integer number (96836544).

Almost surely, 2^1248587155 is an apocalyptic number.

1248587155 is a deficient number, since it is larger than the sum of its proper divisors (300797549).

1248587155 is a wasteful number, since it uses less digits than its factorization.

1248587155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14346.

The product of its digits is 448000, while the sum is 46.

The square root of 1248587155 is about 35335.3527646180. The cubic root of 1248587155 is about 1076.8113410414.

The spelling of 1248587155 in words is "one billion, two hundred forty-eight million, five hundred eighty-seven thousand, one hundred fifty-five".