1248955135 has 12 divisors (see below), whose sum is σ = 1506784968. Its totient is φ = 993814208.

The previous prime is 1248955117. The next prime is 1248955207. The reversal of 1248955135 is 5315598421.

It is not a de Polignac number, because 1248955135 - 2⁷ = 1248955007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1248955091 and 1248955100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1190091 + ... + 1191139.

It is an arithmetic number, because the mean of its divisors is an integer number (125565414).

Almost surely, 2^1248955135 is an apocalyptic number.

1248955135 is a deficient number, since it is larger than the sum of its proper divisors (257829833).

1248955135 is an frugal number, since it uses more digits than its factorization.

1248955135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2330 (or 1281 counting only the distinct ones).

The product of its digits is 216000, while the sum is 43.

The square root of 1248955135 is about 35340.5593475825. The cubic root of 1248955135 is about 1076.9171155603.

The spelling of 1248955135 in words is "one billion, two hundred forty-eight million, nine hundred fifty-five thousand, one hundred thirty-five".