1241513953 has 4 divisors (see below), whose sum is σ = 1260044080. Its totient is φ = 1222983828.

The previous prime is 1241513939. The next prime is 1241513969. The reversal of 1241513953 is 3593151421.

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: 3593151421 = 313 ⋅11479717.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1241513953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1241513153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9264963 + ... + 9265096.

It is an arithmetic number, because the mean of its divisors is an integer number (315011020).

Almost surely, 2^1241513953 is an apocalyptic number.

It is an amenable number.

1241513953 is a deficient number, since it is larger than the sum of its proper divisors (18530127).

1241513953 is an equidigital number, since it uses as much as digits as its factorization.

1241513953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18530126.

The product of its digits is 16200, while the sum is 34.

The square root of 1241513953 is about 35235.1238539046. The cubic root of 1241513953 is about 1074.7741232294.

The spelling of 1241513953 in words is "one billion, two hundred forty-one million, five hundred thirteen thousand, nine hundred fifty-three".