1227909480 has 64 divisors (see below), whose sum is σ = 4209978240. Its totient is φ = 280664832.

The previous prime is 1227909479. The next prime is 1227909499. The reversal of 1227909480 is 849097221.

It is a super-3 number, since 3×1227909480³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 730059 + ... + 731738.

It is an arithmetic number, because the mean of its divisors is an integer number (65780910).

Almost surely, 2^1227909480 is an apocalyptic number.

1227909480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1227909480 is an abundant number, since it is smaller than the sum of its proper divisors (2982068760).

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

1227909480 is a wasteful number, since it uses less digits than its factorization.

1227909480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1461818 (or 1461814 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 1227909480 is about 35041.5393497489. The cubic root of 1227909480 is about 1070.8339147936.

The spelling of 1227909480 in words is "one billion, two hundred twenty-seven million, nine hundred nine thousand, four hundred eighty".