1214103140 has 24 divisors (see below), whose sum is σ = 2550944760. Its totient is φ = 485388288.

The previous prime is 1214103131. The next prime is 1214103157. The reversal of 1214103140 is 413014121.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 140754496 + 1073348644 = 11864^2 + 32762^2 .

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, 26276 + ... + 55844.

It is an arithmetic number, because the mean of its divisors is an integer number (106289365).

Almost surely, 2^1214103140 is an apocalyptic number.

1214103140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1214103140 is an abundant number, since it is smaller than the sum of its proper divisors (1336841620).

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

1214103140 is a wasteful number, since it uses less digits than its factorization.

1214103140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31631 (or 31629 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1214103140 is about 34843.9828377871. The cubic root of 1214103140 is about 1066.8053723704.

Adding to 1214103140 its reverse (413014121), we get a palindrome (1627117261).

The spelling of 1214103140 in words is "one billion, two hundred fourteen million, one hundred three thousand, one hundred forty".