1214769660 has 48 divisors (see below), whose sum is σ = 3663000096. Its totient is φ = 299020032.

The previous prime is 1214769643. The next prime is 1214769667. The reversal of 1214769660 is 669674121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214769667) 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, 777919 + ... + 779478.

It is an arithmetic number, because the mean of its divisors is an integer number (76312502).

Almost surely, 2^1214769660 is an apocalyptic number.

1214769660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1214769660 is an abundant number, since it is smaller than the sum of its proper divisors (2448230436).

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

1214769660 is a wasteful number, since it uses less digits than its factorization.

1214769660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1557422 (or 1557420 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 1214769660 is about 34853.5458741288. The cubic root of 1214769660 is about 1067.0005554142. Note that the first 3 decimals are identical.

The spelling of 1214769660 in words is "one billion, two hundred fourteen million, seven hundred sixty-nine thousand, six hundred sixty".