3837120261 has 16 divisors (see below), whose sum is σ = 5658624384. Its totient is φ = 2297484864.

The previous prime is 3837120257. The next prime is 3837120299. The reversal of 3837120261 is 1620217383.

It is not a de Polignac number, because 3837120261 - 2² = 3837120257 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3837120961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1328121 + ... + 1331006.

It is an arithmetic number, because the mean of its divisors is an integer number (353664024).

Almost surely, 2^3837120261 is an apocalyptic number.

It is an amenable number.

3837120261 is a deficient number, since it is larger than the sum of its proper divisors (1821504123).

3837120261 is a wasteful number, since it uses less digits than its factorization.

3837120261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2659180.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 3837120261 is about 61944.4933872253. The cubic root of 3837120261 is about 1565.5555072872. Note that the first 4 decimals are identical.

The spelling of 3837120261 in words is "three billion, eight hundred thirty-seven million, one hundred twenty thousand, two hundred sixty-one".