3754776121 has 2 divisors, whose sum is σ = 3754776122. Its totient is φ = 3754776120.

The previous prime is 3754776061. The next prime is 3754776133. The reversal of 3754776121 is 1216774573.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3480410025 + 274366096 = 58995^2 + 16564^2 .

It is a cyclic number.

It is not a de Polignac number, because 3754776121 - 2²⁵ = 3721221689 is a prime.

It is not a weakly prime, because it can be changed into another prime (3754776191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1877388060 + 1877388061.

It is an arithmetic number, because the mean of its divisors is an integer number (1877388061).

Almost surely, 2^3754776121 is an apocalyptic number.

It is an amenable number.

3754776121 is a deficient number, since it is larger than the sum of its proper divisors (1).

3754776121 is an equidigital number, since it uses as much as digits as its factorization.

3754776121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 246960, while the sum is 43.

The square root of 3754776121 is about 61276.2280252301. The cubic root of 3754776121 is about 1554.2755517513.

The spelling of 3754776121 in words is "three billion, seven hundred fifty-four million, seven hundred seventy-six thousand, one hundred twenty-one".