1227002880 has 352 divisors, whose sum is σ = 4301254656. Its totient is φ = 297271296.

The previous prime is 1227002869. The next prime is 1227002891. The reversal of 1227002880 is 882007221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1227002869) and next prime (1227002891).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9661377 + ... + 9661503.

Almost surely, 2^1227002880 is an apocalyptic number.

1227002880 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 1227002880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2150627328).

1227002880 is an abundant number, since it is smaller than the sum of its proper divisors (3074251776).

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

1227002880 is a wasteful number, since it uses less digits than its factorization.

1227002880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 1227002880 is about 35028.6008855621. The cubic root of 1227002880 is about 1070.5703076715.

The spelling of 1227002880 in words is "one billion, two hundred twenty-seven million, two thousand, eight hundred eighty".