1126440648 has 32 divisors (see below), whose sum is σ = 3129002400. Its totient is φ = 375480144.

The previous prime is 1126440643. The next prime is 1126440659. The reversal of 1126440648 is 8460446211.

It is a happy number.

1126440648 is a `hidden beast` number, since 1 + 1 + 2 + 6 + 4 + 4 + 0 + 648 = 666.

It is a super-3 number, since 3×1126440648³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1126440643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2607286 + ... + 2607717.

It is an arithmetic number, because the mean of its divisors is an integer number (97781325).

Almost surely, 2^1126440648 is an apocalyptic number.

1126440648 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1126440648 is an abundant number, since it is smaller than the sum of its proper divisors (2002561752).

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

1126440648 is a wasteful number, since it uses less digits than its factorization.

1126440648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5215018 (or 5215008 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 1126440648 is about 33562.4887039087. The cubic root of 1126440648 is about 1040.4856730600.

Adding to 1126440648 its reverse (8460446211), we get a palindrome (9586886859).

The spelling of 1126440648 in words is "one billion, one hundred twenty-six million, four hundred forty thousand, six hundred forty-eight".