1968130 has 16 divisors (see below), whose sum is σ = 3580920. Its totient is φ = 778752.

The previous prime is 1968103. The next prime is 1968137. The reversal of 1968130 is 318691.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1929321 + 38809 = 1389^2 + 197^2 .

It is not an unprimeable number, because it can be changed into a prime (1968137) 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, 45 + ... + 1984.

2^1968130 is an apocalyptic number.

1968130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1968130 is a deficient number, since it is larger than the sum of its proper divisors (1612790).

1968130 is a wasteful number, since it uses less digits than its factorization.

1968130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2133.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 1968130 is about 1402.9005666832. The cubic root of 1968130 is about 125.3192904014.

The spelling of 1968130 in words is "one million, nine hundred sixty-eight thousand, one hundred thirty".