1215254341 has 6 divisors (see below), whose sum is σ = 1413663270. Its totient is φ = 1041646536.

The previous prime is 1215254323. The next prime is 1215254351. The reversal of 1215254341 is 1434525121.

It can be written as a sum of positive squares in only one way, i.e., 671898241 + 543356100 = 25921^2 + 23310^2 .

It is not a de Polignac number, because 1215254341 - 2⁷ = 1215254213 is a prime.

It is a super-2 number, since 2×1215254341² = 2953686226638688562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1215254351) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12400506 + ... + 12400603.

It is an arithmetic number, because the mean of its divisors is an integer number (235610545).

Almost surely, 2^1215254341 is an apocalyptic number.

It is an amenable number.

1215254341 is a deficient number, since it is larger than the sum of its proper divisors (198408929).

1215254341 is an equidigital number, since it uses as much as digits as its factorization.

1215254341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24801123 (or 24801116 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

The square root of 1215254341 is about 34860.4982896114. The cubic root of 1215254341 is about 1067.1424440780.

Adding to 1215254341 its reverse (1434525121), we get a palindrome (2649779462).

The spelling of 1215254341 in words is "one billion, two hundred fifteen million, two hundred fifty-four thousand, three hundred forty-one".