1290344053 has 2 divisors, whose sum is σ = 1290344054. Its totient is φ = 1290344052.

The previous prime is 1290344039. The next prime is 1290344119. The reversal of 1290344053 is 3504430921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1270067044 + 20277009 = 35638^2 + 4503^2 .

It is an emirp because it is prime and its reverse (3504430921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1290344053 - 2⁹ = 1290343541 is a prime.

It is a super-2 number, since 2×1290344053² = 3329975550224933618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1290344453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 645172026 + 645172027.

It is an arithmetic number, because the mean of its divisors is an integer number (645172027).

Almost surely, 2^1290344053 is an apocalyptic number.

It is an amenable number.

1290344053 is a deficient number, since it is larger than the sum of its proper divisors (1).

1290344053 is an equidigital number, since it uses as much as digits as its factorization.

1290344053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 1290344053 is about 35921.3592866417. The cubic root of 1290344053 is about 1088.6840030683.

Adding to 1290344053 its reverse (3504430921), we get a palindrome (4794774974).

The spelling of 1290344053 in words is "one billion, two hundred ninety million, three hundred forty-four thousand, fifty-three".