1051626 has 16 divisors (see below), whose sum is σ = 2143584. Its totient is φ = 343824.

The previous prime is 1051621. The next prime is 1051639. The reversal of 1051626 is 6261501.

It is a happy number.

It is a super-2 number, since 2×1051626² = 2211834487752, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1051621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1336 + ... + 1971.

It is an arithmetic number, because the mean of its divisors is an integer number (133974).

2^1051626 is an apocalyptic number.

1051626 is an abundant number, since it is smaller than the sum of its proper divisors (1091958).

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

1051626 is a wasteful number, since it uses less digits than its factorization.

1051626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3365.

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

The square root of 1051626 is about 1025.4881764311. The cubic root of 1051626 is about 101.6920740346.

The spelling of 1051626 in words is "one million, fifty-one thousand, six hundred twenty-six".