3730121 has 8 divisors (see below), whose sum is σ = 3843840. Its totient is φ = 3617712.

The previous prime is 3730093. The next prime is 3730141. The reversal of 3730121 is 1210373.

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

It is a cyclic number.

It is not a de Polignac number, because 3730121 - 2¹⁰ = 3729097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3730121.

It is not an unprimeable number, because it can be changed into a prime (3730141) 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, 9395 + ... + 9783.

It is an arithmetic number, because the mean of its divisors is an integer number (480480).

Almost surely, 2^3730121 is an apocalyptic number.

It is an amenable number.

3730121 is a deficient number, since it is larger than the sum of its proper divisors (113719).

3730121 is a wasteful number, since it uses less digits than its factorization.

3730121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655.

The product of its (nonzero) digits is 126, while the sum is 17.

The square root of 3730121 is about 1931.3521170413. The cubic root of 3730121 is about 155.0866113235.

Adding to 3730121 its reverse (1210373), we get a palindrome (4940494).

The spelling of 3730121 in words is "three million, seven hundred thirty thousand, one hundred twenty-one".