1290641201 has 8 divisors (see below), whose sum is σ = 1339504320. Its totient is φ = 1242068688.

The previous prime is 1290641189. The next prime is 1290641227. The reversal of 1290641201 is 1021460921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1290641201 - 2³⁰ = 216899377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1290641281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63581 + ... + 81386.

It is an arithmetic number, because the mean of its divisors is an integer number (167438040).

Almost surely, 2^1290641201 is an apocalyptic number.

It is an amenable number.

1290641201 is a deficient number, since it is larger than the sum of its proper divisors (48863119).

1290641201 is a wasteful number, since it uses less digits than its factorization.

1290641201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145303.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 1290641201 is about 35925.4951392462. The cubic root of 1290641201 is about 1088.7675661676.

The spelling of 1290641201 in words is "one billion, two hundred ninety million, six hundred forty-one thousand, two hundred one".