1056620 has 24 divisors (see below), whose sum is σ = 2316384. Its totient is φ = 404096.

The previous prime is 1056617. The next prime is 1056623. The reversal of 1056620 is 266501.

It is an interprime number because it is at equal distance from previous prime (1056617) and next prime (1056623).

It is a super-2 number, since 2×1056620² = 2232891648800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1056592 and 1056601.

It is not an unprimeable number, because it can be changed into a prime (1056623) 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, 689 + ... + 1608.

It is an arithmetic number, because the mean of its divisors is an integer number (96516).

2^1056620 is an apocalyptic number.

1056620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1056620 is an abundant number, since it is smaller than the sum of its proper divisors (1259764).

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

1056620 is a wasteful number, since it uses less digits than its factorization.

1056620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2329 (or 2327 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1056620 is about 1027.9202303681. The cubic root of 1056620 is about 101.8527929063.

The spelling of 1056620 in words is "one million, fifty-six thousand, six hundred twenty".