1227171480 has 32 divisors (see below), whose sum is σ = 3681514800. Its totient is φ = 327245696.

The previous prime is 1227171467. The next prime is 1227171529. The reversal of 1227171480 is 841717221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5113095 + ... + 5113334.

Almost surely, 2^1227171480 is an apocalyptic number.

1227171480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1227171480 is an abundant number, since it is smaller than the sum of its proper divisors (2454343320).

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

1227171480 is a wasteful number, since it uses less digits than its factorization.

1227171480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10226443 (or 10226439 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 33.

The square root of 1227171480 is about 35031.0074077238. The cubic root of 1227171480 is about 1070.6193403973.

The spelling of 1227171480 in words is "one billion, two hundred twenty-seven million, one hundred seventy-one thousand, four hundred eighty".