1214251141 has 8 divisors (see below), whose sum is σ = 1269074520. Its totient is φ = 1160291328.

The previous prime is 1214251127. The next prime is 1214251151. The reversal of 1214251141 is 1411524121.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 103428900 + 1110822241 = 10170^2 + 33329^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1214251141 - 2¹⁵ = 1214218373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214251111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213016 + ... + 218641.

It is an arithmetic number, because the mean of its divisors is an integer number (158634315).

Almost surely, 2^1214251141 is an apocalyptic number.

It is an amenable number.

1214251141 is a deficient number, since it is larger than the sum of its proper divisors (54823379).

1214251141 is an equidigital number, since it uses as much as digits as its factorization.

1214251141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431783.

The product of its digits is 320, while the sum is 22.

The square root of 1214251141 is about 34846.1065400426. The cubic root of 1214251141 is about 1066.8487190026.

Adding to 1214251141 its reverse (1411524121), we get a palindrome (2625775262).

The spelling of 1214251141 in words is "one billion, two hundred fourteen million, two hundred fifty-one thousand, one hundred forty-one".