1290079 has 16 divisors (see below), whose sum is σ = 1608768. Its totient is φ = 1009152.

The previous prime is 1290077. The next prime is 1290083. The reversal of 1290079 is 9700921.

It is a cyclic number.

It is not a de Polignac number, because 1290079 - 2¹ = 1290077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1290077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4257 + ... + 4549.

It is an arithmetic number, because the mean of its divisors is an integer number (100548).

2^1290079 is an apocalyptic number.

1290079 is a deficient number, since it is larger than the sum of its proper divisors (318689).

1290079 is a wasteful number, since it uses less digits than its factorization.

1290079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354.

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 1290079 is about 1135.8164464384. The cubic root of 1290079 is about 108.8609454806.

The spelling of 1290079 in words is "one million, two hundred ninety thousand, seventy-nine".