1214303340 has 48 divisors (see below), whose sum is σ = 3411703008. Its totient is φ = 322704384.

The previous prime is 1214303317. The next prime is 1214303371. The reversal of 1214303340 is 433034121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16957 + ... + 52116.

It is an arithmetic number, because the mean of its divisors is an integer number (71077146).

Almost surely, 2^1214303340 is an apocalyptic number.

1214303340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1214303340 is an abundant number, since it is smaller than the sum of its proper divisors (2197399668).

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

1214303340 is a wasteful number, since it uses less digits than its factorization.

1214303340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69378 (or 69376 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1214303340 is about 34846.8555252838. The cubic root of 1214303340 is about 1066.8640062405.

Adding to 1214303340 its reverse (433034121), we get a palindrome (1647337461).

The spelling of 1214303340 in words is "one billion, two hundred fourteen million, three hundred three thousand, three hundred forty".