1227408450 has 96 divisors (see below), whose sum is σ = 3153494592. Its totient is φ = 315744000.

The previous prime is 1227408433. The next prime is 1227408463. The reversal of 1227408450 is 548047221.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 483685 + ... + 486215.

It is an arithmetic number, because the mean of its divisors is an integer number (32848902).

Almost surely, 2^1227408450 is an apocalyptic number.

1227408450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1227408450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1576747296).

1227408450 is an abundant number, since it is smaller than the sum of its proper divisors (1926086142).

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

1227408450 is a wasteful number, since it uses less digits than its factorization.

1227408450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2660 (or 2655 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 33.

The square root of 1227408450 is about 35034.3895337139. The cubic root of 1227408450 is about 1070.6882490871.

The spelling of 1227408450 in words is "one billion, two hundred twenty-seven million, four hundred eight thousand, four hundred fifty".