4127961 has 4 divisors (see below), whose sum is σ = 5503952. Its totient is φ = 2751972.

The previous prime is 4127951. The next prime is 4127983. The reversal of 4127961 is 1697214.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4127961 - 2⁶ = 4127897 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4127951) 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, 687991 + ... + 687996.

It is an arithmetic number, because the mean of its divisors is an integer number (1375988).

Almost surely, 2^4127961 is an apocalyptic number.

It is an amenable number.

4127961 is a deficient number, since it is larger than the sum of its proper divisors (1375991).

4127961 is a wasteful number, since it uses less digits than its factorization.

4127961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1375990.

The product of its digits is 3024, while the sum is 30.

The square root of 4127961 is about 2031.7384182025. The cubic root of 4127961 is about 160.4150810960.

The spelling of 4127961 in words is "four million, one hundred twenty-seven thousand, nine hundred sixty-one".