1214201140 has 48 divisors (see below), whose sum is σ = 2592374400. Its totient is φ = 477643392.

The previous prime is 1214201129. The next prime is 1214201147. The reversal of 1214201140 is 411024121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214201147) 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, 301017 + ... + 305023.

It is an arithmetic number, because the mean of its divisors is an integer number (54007800).

Almost surely, 2^1214201140 is an apocalyptic number.

1214201140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1214201140 is an abundant number, since it is smaller than the sum of its proper divisors (1378173260).

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

1214201140 is a wasteful number, since it uses less digits than its factorization.

1214201140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4264 (or 4262 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1214201140 is about 34845.3890780402. The cubic root of 1214201140 is about 1066.8340750701.

Adding to 1214201140 its reverse (411024121), we get a palindrome (1625225261).

The spelling of 1214201140 in words is "one billion, two hundred fourteen million, two hundred one thousand, one hundred forty".