1052340242 has 4 divisors (see below), whose sum is σ = 1578510366. Its totient is φ = 526170120.

The previous prime is 1052340241. The next prime is 1052340269. The reversal of 1052340242 is 2420432501.

It is a happy number.

1052340242 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: 2420432501 = 977 ⋅2477413.

It can be written as a sum of positive squares in only one way, i.e., 625050001 + 427290241 = 25001^2 + 20671^2 .

It is a super-2 number, since 2×1052340242² = 2214839969865237128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1052340241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263085059 + ... + 263085062.

Almost surely, 2^1052340242 is an apocalyptic number.

1052340242 is a deficient number, since it is larger than the sum of its proper divisors (526170124).

1052340242 is an equidigital number, since it uses as much as digits as its factorization.

1052340242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526170123.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 1052340242 is about 32439.7941115538. The cubic root of 1052340242 is about 1017.1509118863.

Adding to 1052340242 its reverse (2420432501), we get a palindrome (3472772743).

The spelling of 1052340242 in words is "one billion, fifty-two million, three hundred forty thousand, two hundred forty-two".