1291059 has 56 divisors (see below), whose sum is σ = 2518272. Its totient is φ = 641520.

The previous prime is 1291021. The next prime is 1291063. The reversal of 1291059 is 9501921.

It is a happy number.

It is not a de Polignac number, because 1291059 - 2¹³ = 1282867 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

1291059 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1291009) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 56122 + ... + 56144.

2^1291059 is an apocalyptic number.

1291059 is a deficient number, since it is larger than the sum of its proper divisors (1227213).

1291059 is an equidigital number, since it uses as much as digits as its factorization.

1291059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59 (or 44 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 27.

The square root of 1291059 is about 1136.2477722750. The cubic root of 1291059 is about 108.8885036699. Note that the first 3 decimals are identical.

The spelling of 1291059 in words is "one million, two hundred ninety-one thousand, fifty-nine".