1214276660 has 48 divisors (see below), whose sum is σ = 2580729984. Its totient is φ = 479879808.

The previous prime is 1214276659. The next prime is 1214276669. The reversal of 1214276660 is 666724121.

It is a self number, because there is not a number n which added to its sum of digits gives 1214276660.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214276669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1384142 + ... + 1385018.

It is an arithmetic number, because the mean of its divisors is an integer number (53765208).

Almost surely, 2^1214276660 is an apocalyptic number.

1214276660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1214276660 is an abundant number, since it is smaller than the sum of its proper divisors (1366453324).

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

1214276660 is a wasteful number, since it uses less digits than its factorization.

1214276660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1640 (or 1638 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 1214276660 is about 34846.4727052825. The cubic root of 1214276660 is about 1066.8561926684.

The spelling of 1214276660 in words is "one billion, two hundred fourteen million, two hundred seventy-six thousand, six hundred sixty".