1011440242 has 4 divisors (see below), whose sum is σ = 1517160366. Its totient is φ = 505720120.

The previous prime is 1011440237. The next prime is 1011440273. The reversal of 1011440242 is 2420441101.

1011440242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2420441101 = 13 ⋅186187777.

It can be written as a sum of positive squares in only one way, i.e., 1006856361 + 4583881 = 31731^2 + 2141^2 .

It is a super-2 number, since 2×1011440242² = 2046022726274037128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252860059 + ... + 252860062.

Almost surely, 2^1011440242 is an apocalyptic number.

1011440242 is a deficient number, since it is larger than the sum of its proper divisors (505720124).

1011440242 is an equidigital number, since it uses as much as digits as its factorization.

1011440242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505720123.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1011440242 is about 31803.1483032734. The cubic root of 1011440242 is about 1003.7989635999.

Adding to 1011440242 its reverse (2420441101), we get a palindrome (3431881343).

The spelling of 1011440242 in words is "one billion, eleven million, four hundred forty thousand, two hundred forty-two".