6121730 has 8 divisors (see below), whose sum is σ = 11019132. Its totient is φ = 2448688.

The previous prime is 6121727. The next prime is 6121733. The reversal of 6121730 is 371216.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6121727) and next prime (6121733).

It can be written as a sum of positive squares in 2 ways, for example, as 5841889 + 279841 = 2417^2 + 529^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (6121733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 306077 + ... + 306096.

Almost surely, 2^6121730 is an apocalyptic number.

6121730 is a deficient number, since it is larger than the sum of its proper divisors (4897402).

6121730 is a wasteful number, since it uses less digits than its factorization.

6121730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612180.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 6121730 is about 2474.2130061900. The cubic root of 6121730 is about 182.9327193522.

Adding to 6121730 its reverse (371216), we get a palindrome (6492946).

The spelling of 6121730 in words is "six million, one hundred twenty-one thousand, seven hundred thirty".