1227262080 has 128 divisors (see below), whose sum is σ = 4267598400. Its totient is φ = 297512960.

The previous prime is 1227262063. The next prime is 1227262093. The reversal of 1227262080 is 802627221.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 7935 + ... + 50174.

Almost surely, 2^1227262080 is an apocalyptic number.

1227262080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1227262080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2133799200).

1227262080 is an abundant number, since it is smaller than the sum of its proper divisors (3040336320).

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

1227262080 is a wasteful number, since it uses less digits than its factorization.

1227262080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58142 (or 58130 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 1227262080 is about 35032.3005239450. The cubic root of 1227262080 is about 1070.6456870888.

The spelling of 1227262080 in words is "one billion, two hundred twenty-seven million, two hundred sixty-two thousand, eighty".