1290101 has 4 divisors (see below), whose sum is σ = 1293600. Its totient is φ = 1286604.

The previous prime is 1290083. The next prime is 1290109. The reversal of 1290101 is 1010921.

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: 1010921 = 401 ⋅2521.

It is a cyclic number.

It is not a de Polignac number, because 1290101 - 2¹⁰ = 1289077 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1290109) 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, 1121 + ... + 1958.

It is an arithmetic number, because the mean of its divisors is an integer number (323400).

2^1290101 is an apocalyptic number.

It is an amenable number.

1290101 is a deficient number, since it is larger than the sum of its proper divisors (3499).

1290101 is an equidigital number, since it uses as much as digits as its factorization.

1290101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3498.

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 1290101 is about 1135.8261310606. The cubic root of 1290101 is about 108.8615642869.

The spelling of 1290101 in words is "one million, two hundred ninety thousand, one hundred one".