3120021404 has 12 divisors (see below), whose sum is σ = 5460431424. Its totient is φ = 1559898144.

The previous prime is 3120021379. The next prime is 3120021413. The reversal of 3120021404 is 4041200213.

It is a super-2 number, since 2×3120021404² = 19469067122836262432, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82997 + ... + 114579.

It is an arithmetic number, because the mean of its divisors is an integer number (455035952).

Almost surely, 2^3120021404 is an apocalyptic number.

It is an amenable number.

3120021404 is a deficient number, since it is larger than the sum of its proper divisors (2340410020).

3120021404 is a wasteful number, since it uses less digits than its factorization.

3120021404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56284 (or 56282 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 3120021404 is about 55857.1517712817. The cubic root of 3120021404 is about 1461.2320562728.

Adding to 3120021404 its reverse (4041200213), we get a palindrome (7161221617).

The spelling of 3120021404 in words is "three billion, one hundred twenty million, twenty-one thousand, four hundred four".