1214072780 has 24 divisors (see below), whose sum is σ = 2551334352. Its totient is φ = 485289792.

The previous prime is 1214072753. The next prime is 1214072819. The reversal of 1214072780 is 872704121.

It is a happy 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, 9194 + ... + 50126.

It is an arithmetic number, because the mean of its divisors is an integer number (106305598).

Almost surely, 2^1214072780 is an apocalyptic number.

1214072780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1214072780 is an abundant number, since it is smaller than the sum of its proper divisors (1337261572).

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

1214072780 is a wasteful number, since it uses less digits than its factorization.

1214072780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42425 (or 42423 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 32.

The square root of 1214072780 is about 34843.5471787819. The cubic root of 1214072780 is about 1066.7964800778.

The spelling of 1214072780 in words is "one billion, two hundred fourteen million, seventy-two thousand, seven hundred eighty".