1214559880 has 16 divisors (see below), whose sum is σ = 2732759820. Its totient is φ = 485823936.

The previous prime is 1214559763. The next prime is 1214559887. The reversal of 1214559880 is 889554121.

It can be written as a sum of positive squares in 2 ways, for example, as 1120508676 + 94051204 = 33474^2 + 9698^2 .

It is a super-2 number, since 2×1214559880² = 2950311404211228800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1214559887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15181959 + ... + 15182038.

Almost surely, 2^1214559880 is an apocalyptic number.

1214559880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1214559880 is an abundant number, since it is smaller than the sum of its proper divisors (1518199940).

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

1214559880 is a wasteful number, since it uses less digits than its factorization.

1214559880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30364008 (or 30364004 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 43.

The square root of 1214559880 is about 34850.5362942954. The cubic root of 1214559880 is about 1066.9391313517.

The spelling of 1214559880 in words is "one billion, two hundred fourteen million, five hundred fifty-nine thousand, eight hundred eighty".