1227408452 has 12 divisors (see below), whose sum is σ = 2167671660. Its totient is φ = 608073696.

The previous prime is 1227408433. The next prime is 1227408463. The reversal of 1227408452 is 2548047221.

It can be written as a sum of positive squares in 2 ways, for example, as 1032079876 + 195328576 = 32126^2 + 13976^2 .

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, 1407143 + ... + 1408014.

It is an arithmetic number, because the mean of its divisors is an integer number (180639305).

Almost surely, 2^1227408452 is an apocalyptic number.

It is an amenable number.

1227408452 is a deficient number, since it is larger than the sum of its proper divisors (940263208).

1227408452 is a wasteful number, since it uses less digits than its factorization.

1227408452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2815270 (or 2815268 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 35.

The square root of 1227408452 is about 35034.3895622573. The cubic root of 1227408452 is about 1070.6882496686.

The spelling of 1227408452 in words is "one billion, two hundred twenty-seven million, four hundred eight thousand, four hundred fifty-two".