1248030135 has 24 divisors (see below), whose sum is σ = 2359912464. Its totient is φ = 605105280.

The previous prime is 1248030103. The next prime is 1248030137. The reversal of 1248030135 is 5310308421.

It is a happy number.

It is not a de Polignac number, because 1248030135 - 2⁵ = 1248030103 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1248030099 and 1248030108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1248030137) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1260142 + ... + 1261131.

It is an arithmetic number, because the mean of its divisors is an integer number (98329686).

Almost surely, 2^1248030135 is an apocalyptic number.

1248030135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1248030135 is a deficient number, since it is larger than the sum of its proper divisors (1111882329).

1248030135 is a wasteful number, since it uses less digits than its factorization.

1248030135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2521295 (or 2521292 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1248030135 is about 35327.4699773420. The cubic root of 1248030135 is about 1076.6511881122.

Adding to 1248030135 its reverse (5310308421), we get a palindrome (6558338556).

The spelling of 1248030135 in words is "one billion, two hundred forty-eight million, thirty thousand, one hundred thirty-five".