1115421048 has 48 divisors (see below), whose sum is σ = 3452495280. Its totient is φ = 318691584.

The previous prime is 1115421029. The next prime is 1115421053. The reversal of 1115421048 is 8401245111.

It is a happy number.

1115421048 is a `hidden beast` number, since 1 + 11 + 542 + 104 + 8 = 666.

It is a super-2 number, since 2×1115421048² = 2488328228642836608, which contains 22 as substring.

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, 1106065 + ... + 1107072.

It is an arithmetic number, because the mean of its divisors is an integer number (71926985).

Almost surely, 2^1115421048 is an apocalyptic number.

1115421048 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1115421048 is an abundant number, since it is smaller than the sum of its proper divisors (2337074232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1115421048 is a wasteful number, since it uses less digits than its factorization.

1115421048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2213156 (or 2213149 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 1115421048 is about 33397.9198154616. The cubic root of 1115421048 is about 1037.0816384160.

Adding to 1115421048 its reverse (8401245111), we get a palindrome (9516666159).

The spelling of 1115421048 in words is "one billion, one hundred fifteen million, four hundred twenty-one thousand, forty-eight".