1241621142 has 16 divisors (see below), whose sum is σ = 2530096560. Its totient is φ = 406064672.

The previous prime is 1241621141. The next prime is 1241621189. The reversal of 1241621142 is 2411261421.

It is a super-2 number, since 2×1241621142² = 3083246120522768328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241621141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1951917 + ... + 1952552.

It is an arithmetic number, because the mean of its divisors is an integer number (158131035).

Almost surely, 2^1241621142 is an apocalyptic number.

1241621142 is an abundant number, since it is smaller than the sum of its proper divisors (1288475418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1241621142 is a wasteful number, since it uses less digits than its factorization.

1241621142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3904527.

The product of its digits is 768, while the sum is 24.

The square root of 1241621142 is about 35236.6448743350. The cubic root of 1241621142 is about 1074.8050533821.

Adding to 1241621142 its reverse (2411261421), we get a palindrome (3652882563).

The spelling of 1241621142 in words is "one billion, two hundred forty-one million, six hundred twenty-one thousand, one hundred forty-two".