1051242433 has 4 divisors (see below), whose sum is σ = 1051483588. Its totient is φ = 1051001280.

The previous prime is 1051242427. The next prime is 1051242443. The reversal of 1051242433 is 3342421501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 586753729 + 464488704 = 24223^2 + 21552^2 .

It is a cyclic number.

It is not a de Polignac number, because 1051242433 - 2⁹ = 1051241921 is a prime.

It is a super-2 number, since 2×1051242433² = 2210221305879518978, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1051242398 and 1051242407.

It is not an unprimeable number, because it can be changed into a prime (1051242403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113916 + ... + 122797.

It is an arithmetic number, because the mean of its divisors is an integer number (262870897).

Almost surely, 2^1051242433 is an apocalyptic number.

It is an amenable number.

1051242433 is a deficient number, since it is larger than the sum of its proper divisors (241155).

1051242433 is an equidigital number, since it uses as much as digits as its factorization.

1051242433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241154.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1051242433 is about 32422.8689816309. The cubic root of 1051242433 is about 1016.7970890760.

Adding to 1051242433 its reverse (3342421501), we get a palindrome (4393663934).

The spelling of 1051242433 in words is "one billion, fifty-one million, two hundred forty-two thousand, four hundred thirty-three".