1241642253 has 8 divisors (see below), whose sum is σ = 1655849248. Its totient is φ = 827598384.

The previous prime is 1241642203. The next prime is 1241642257. The reversal of 1241642253 is 3522461421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1241642253 - 2⁸ = 1241641997 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1241642253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241642257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21751 + ... + 54372.

It is an arithmetic number, because the mean of its divisors is an integer number (206981156).

Almost surely, 2^1241642253 is an apocalyptic number.

It is an amenable number.

1241642253 is a deficient number, since it is larger than the sum of its proper divisors (414206995).

1241642253 is an equidigital number, since it uses as much as digits as its factorization.

1241642253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81563.

The product of its digits is 11520, while the sum is 30.

The square root of 1241642253 is about 35236.9444333643. The cubic root of 1241642253 is about 1074.8111449023.

The spelling of 1241642253 in words is "one billion, two hundred forty-one million, six hundred forty-two thousand, two hundred fifty-three".