1020441242 has 4 divisors (see below), whose sum is σ = 1530661866. Its totient is φ = 510220620.

The previous prime is 1020441223. The next prime is 1020441287. The reversal of 1020441242 is 2421440201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2421440201 = 61 ⋅39695741.

It can be written as a sum of positive squares in only one way, i.e., 692795041 + 327646201 = 26321^2 + 18101^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255110309 + ... + 255110312.

Almost surely, 2^1020441242 is an apocalyptic number.

1020441242 is a deficient number, since it is larger than the sum of its proper divisors (510220624).

1020441242 is an equidigital number, since it uses as much as digits as its factorization.

1020441242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510220623.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1020441242 is about 31944.3460098966. The cubic root of 1020441242 is about 1006.7678403398.

Adding to 1020441242 its reverse (2421440201), we get a palindrome (3441881443).

The spelling of 1020441242 in words is "one billion, twenty million, four hundred forty-one thousand, two hundred forty-two".