1258622 has 4 divisors (see below), whose sum is σ = 1887936. Its totient is φ = 629310.

The previous prime is 1258601. The next prime is 1258627. The reversal of 1258622 is 2268521.

It is a semiprime because it is the product of two primes.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 1258591 and 1258600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1258627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314654 + ... + 314657.

It is an arithmetic number, because the mean of its divisors is an integer number (471984).

2^1258622 is an apocalyptic number.

1258622 is a deficient number, since it is larger than the sum of its proper divisors (629314).

1258622 is an equidigital number, since it uses as much as digits as its factorization.

1258622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629313.

The product of its digits is 1920, while the sum is 26.

The square root of 1258622 is about 1121.8832381313. The cubic root of 1258622 is about 107.9688410341.

The spelling of 1258622 in words is "one million, two hundred fifty-eight thousand, six hundred twenty-two".