1011342421 has 4 divisors (see below), whose sum is σ = 1026437152. Its totient is φ = 996247692.

The previous prime is 1011342383. The next prime is 1011342443. The reversal of 1011342421 is 1242431101.

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.

It is a cyclic number.

It is not a de Polignac number, because 1011342421 - 2⁹ = 1011341909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011342721) 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, 7547265 + ... + 7547398.

It is an arithmetic number, because the mean of its divisors is an integer number (256609288).

Almost surely, 2^1011342421 is an apocalyptic number.

It is an amenable number.

1011342421 is a deficient number, since it is larger than the sum of its proper divisors (15094731).

1011342421 is an equidigital number, since it uses as much as digits as its factorization.

1011342421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15094730.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1011342421 is about 31801.6103523076. The cubic root of 1011342421 is about 1003.7666018975.

Adding to 1011342421 its reverse (1242431101), we get a palindrome (2253773522).

The spelling of 1011342421 in words is "one billion, eleven million, three hundred forty-two thousand, four hundred twenty-one".