1242032241 has 4 divisors (see below), whose sum is σ = 1656042992. Its totient is φ = 828021492.

The previous prime is 1242032227. The next prime is 1242032279. The reversal of 1242032241 is 1422302421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1422302421 = 3 ⋅474100807.

It is a de Polignac number, because none of the positive numbers 2^k-1242032241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1242032741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207005371 + ... + 207005376.

It is an arithmetic number, because the mean of its divisors is an integer number (414010748).

Almost surely, 2^1242032241 is an apocalyptic number.

It is an amenable number.

1242032241 is a deficient number, since it is larger than the sum of its proper divisors (414010751).

1242032241 is an equidigital number, since it uses as much as digits as its factorization.

1242032241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414010750.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1242032241 is about 35242.4777931405. The cubic root of 1242032241 is about 1074.9236624358.

Adding to 1242032241 its reverse (1422302421), we get a palindrome (2664334662).

The spelling of 1242032241 in words is "one billion, two hundred forty-two million, thirty-two thousand, two hundred forty-one".