1290522 has 8 divisors (see below), whose sum is σ = 2581056. Its totient is φ = 430172.

The previous prime is 1290503. The next prime is 1290533. The reversal of 1290522 is 2250921.

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

1290522 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107538 + ... + 107549.

It is an arithmetic number, because the mean of its divisors is an integer number (322632).

2^1290522 is an apocalyptic number.

1290522 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1290522 is a wasteful number, since it uses less digits than its factorization.

1290522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215092.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1290522 is about 1136.0114436043. The cubic root of 1290522 is about 108.8734046349.

It can be divided in two parts, 1290 and 522, that multiplied together give a triangular number (673380 = T₁₁₆₀).

The spelling of 1290522 in words is "one million, two hundred ninety thousand, five hundred twenty-two".