1042251053 has 4 divisors (see below), whose sum is σ = 1042596828. Its totient is φ = 1041905280.

The previous prime is 1042251047. The next prime is 1042251083. The reversal of 1042251053 is 3501522401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3501522401 = 13 ⋅269347877.

It can be written as a sum of positive squares in 2 ways, for example, as 987090724 + 55160329 = 31418^2 + 7427^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1042251053 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 (1042251043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168326 + ... + 174407.

It is an arithmetic number, because the mean of its divisors is an integer number (260649207).

Almost surely, 2^1042251053 is an apocalyptic number.

It is an amenable number.

1042251053 is a deficient number, since it is larger than the sum of its proper divisors (345775).

1042251053 is an equidigital number, since it uses as much as digits as its factorization.

1042251053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345774.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1042251053 is about 32283.9132231519. The cubic root of 1042251053 is about 1013.8898627957.

Adding to 1042251053 its reverse (3501522401), we get a palindrome (4543773454).

The spelling of 1042251053 in words is "one billion, forty-two million, two hundred fifty-one thousand, fifty-three".