1215141022 has 4 divisors (see below), whose sum is σ = 1822711536. Its totient is φ = 607570510.

The previous prime is 1215141001. The next prime is 1215141023. The reversal of 1215141022 is 2201415121.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1215141023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303785254 + ... + 303785257.

It is an arithmetic number, because the mean of its divisors is an integer number (455677884).

Almost surely, 2^1215141022 is an apocalyptic number.

1215141022 is a deficient number, since it is larger than the sum of its proper divisors (607570514).

1215141022 is an equidigital number, since it uses as much as digits as its factorization.

1215141022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607570513.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 1215141022 is about 34858.8729307188. The cubic root of 1215141022 is about 1067.1092737176.

Adding to 1215141022 its reverse (2201415121), we get a palindrome (3416556143).

The spelling of 1215141022 in words is "one billion, two hundred fifteen million, one hundred forty-one thousand, twenty-two".