1290196073 has 4 divisors (see below), whose sum is σ = 1305740688. Its totient is φ = 1274651460.

The previous prime is 1290196067. The next prime is 1290196093. The reversal of 1290196073 is 3706910921.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3706910921 = 7 ⋅529558703.

It is a cyclic number.

It is not a de Polignac number, because 1290196073 - 2⁴ = 1290196057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1290196043) 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, 7772183 + ... + 7772348.

It is an arithmetic number, because the mean of its divisors is an integer number (326435172).

Almost surely, 2^1290196073 is an apocalyptic number.

It is an amenable number.

1290196073 is a deficient number, since it is larger than the sum of its proper divisors (15544615).

1290196073 is an equidigital number, since it uses as much as digits as its factorization.

1290196073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15544614.

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 1290196073 is about 35919.2994502955. The cubic root of 1290196073 is about 1088.6423837763.

The spelling of 1290196073 in words is "one billion, two hundred ninety million, one hundred ninety-six thousand, seventy-three".