1226134880 has 24 divisors (see below), whose sum is σ = 2896744032. Its totient is φ = 490453888.

The previous prime is 1226134867. The next prime is 1226134891. The reversal of 1226134880 is 884316221.

It is a super-2 number, since 2×1226134880² = 3006813487905228800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1226134880.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3831512 + ... + 3831831.

It is an arithmetic number, because the mean of its divisors is an integer number (120697668).

Almost surely, 2^1226134880 is an apocalyptic number.

1226134880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1226134880 is an abundant number, since it is smaller than the sum of its proper divisors (1670609152).

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

1226134880 is an equidigital number, since it uses as much as digits as its factorization.

1226134880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7663358 (or 7663350 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 1226134880 is about 35016.2088182030. The cubic root of 1226134880 is about 1070.3178023592.

The spelling of 1226134880 in words is "one billion, two hundred twenty-six million, one hundred thirty-four thousand, eight hundred eighty".