1626120 has 48 divisors (see below), whose sum is σ = 5286060. Its totient is φ = 433536.

The previous prime is 1626109. The next prime is 1626127. The reversal of 1626120 is 216261.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1340964 + 285156 = 1158^2 + 534^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1626093 and 1626102.

It is not an unprimeable number, because it can be changed into a prime (1626127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1899 + ... + 2618.

2^1626120 is an apocalyptic number.

1626120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1626120 is an abundant number, since it is smaller than the sum of its proper divisors (3659940).

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

1626120 is a wasteful number, since it uses less digits than its factorization.

1626120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4534 (or 4527 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1626120 is about 1275.1941028722. The cubic root of 1626120 is about 117.5937383866.

The spelling of 1626120 in words is "one million, six hundred twenty-six thousand, one hundred twenty".