1242431241 has 16 divisors (see below), whose sum is σ = 1706385408. Its totient is φ = 803606400.

The previous prime is 1242431231. The next prime is 1242431243. The reversal of 1242431241 is 1421342421.

It is not a de Polignac number, because 1242431241 - 2⁵ = 1242431209 is a prime.

It is a super-2 number, since 2×1242431241² = 3087270777225600162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1242431243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5641 + ... + 50166.

It is an arithmetic number, because the mean of its divisors is an integer number (106649088).

Almost surely, 2^1242431241 is an apocalyptic number.

It is an amenable number.

1242431241 is a deficient number, since it is larger than the sum of its proper divisors (463954167).

1242431241 is a wasteful number, since it uses less digits than its factorization.

1242431241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56032.

The product of its digits is 1536, while the sum is 24.

The square root of 1242431241 is about 35248.1381210412. The cubic root of 1242431241 is about 1075.0387556967.

Adding to 1242431241 its reverse (1421342421), we get a palindrome (2663773662).

The spelling of 1242431241 in words is "one billion, two hundred forty-two million, four hundred thirty-one thousand, two hundred forty-one".