1213341146 has 4 divisors (see below), whose sum is σ = 1820011722. Its totient is φ = 606670572.

The previous prime is 1213341113. The next prime is 1213341163. The reversal of 1213341146 is 6411433121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 971880625 + 241460521 = 31175^2 + 15539^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303335285 + ... + 303335288.

Almost surely, 2^1213341146 is an apocalyptic number.

1213341146 is a deficient number, since it is larger than the sum of its proper divisors (606670576).

1213341146 is an equidigital number, since it uses as much as digits as its factorization.

1213341146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606670575.

The product of its digits is 1728, while the sum is 26.

The square root of 1213341146 is about 34833.0467516122. The cubic root of 1213341146 is about 1066.5821432808.

Adding to 1213341146 its reverse (6411433121), we get a palindrome (7624774267).

The spelling of 1213341146 in words is "one billion, two hundred thirteen million, three hundred forty-one thousand, one hundred forty-six".