1241215252 has 6 divisors (see below), whose sum is σ = 2172126698. Its totient is φ = 620607624.

The previous prime is 1241215243. The next prime is 1241215259. The reversal of 1241215252 is 2525121421.

It can be written as a sum of positive squares in only one way, i.e., 855328516 + 385886736 = 29246^2 + 19644^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241215259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155151903 + ... + 155151910.

Almost surely, 2^1241215252 is an apocalyptic number.

It is an amenable number.

1241215252 is a deficient number, since it is larger than the sum of its proper divisors (930911446).

1241215252 is a wasteful number, since it uses less digits than its factorization.

1241215252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310303817 (or 310303815 counting only the distinct ones).

The product of its digits is 1600, while the sum is 25.

The square root of 1241215252 is about 35230.8849165047. The cubic root of 1241215252 is about 1074.6879215253.

Adding to 1241215252 its reverse (2525121421), we get a palindrome (3766336673).

The spelling of 1241215252 in words is "one billion, two hundred forty-one million, two hundred fifteen thousand, two hundred fifty-two".