1130421242 has 4 divisors (see below), whose sum is σ = 1695631866. Its totient is φ = 565210620.

The previous prime is 1130421223. The next prime is 1130421269. The reversal of 1130421242 is 2421240311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2421240311 = 7 ⋅345891473.

It can be written as a sum of positive squares in only one way, i.e., 696907201 + 433514041 = 26399^2 + 20821^2 .

It is a super-3 number, since 3×1130421242³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 282605309 + ... + 282605312.

Almost surely, 2^1130421242 is an apocalyptic number.

1130421242 is a deficient number, since it is larger than the sum of its proper divisors (565210624).

1130421242 is an equidigital number, since it uses as much as digits as its factorization.

1130421242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565210623.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1130421242 is about 33621.7376409965. The cubic root of 1130421242 is about 1041.7098481968.

Adding to 1130421242 its reverse (2421240311), we get a palindrome (3551661553).

The spelling of 1130421242 in words is "one billion, one hundred thirty million, four hundred twenty-one thousand, two hundred forty-two".