1227427630 has 48 divisors (see below), whose sum is σ = 2615320512. Its totient is φ = 411998400.

The previous prime is 1227427627. The next prime is 1227427657. The reversal of 1227427630 is 367247221.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23286 + ... + 54745.

It is an arithmetic number, because the mean of its divisors is an integer number (54485844).

Almost surely, 2^1227427630 is an apocalyptic number.

1227427630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1227427630 is an abundant number, since it is smaller than the sum of its proper divisors (1387892882).

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

1227427630 is a wasteful number, since it uses less digits than its factorization.

1227427630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78073 (or 78062 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 1227427630 is about 35034.6632636879. The cubic root of 1227427630 is about 1070.6938260661.

The spelling of 1227427630 in words is "one billion, two hundred twenty-seven million, four hundred twenty-seven thousand, six hundred thirty".