4121577 has 16 divisors (see below), whose sum is σ = 6372480. Its totient is φ = 2627856.

The previous prime is 4121573. The next prime is 4121591. The reversal of 4121577 is 7751214.

It is not a de Polignac number, because 4121577 - 2² = 4121573 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 4121577.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4121573) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2698 + ... + 3939.

It is an arithmetic number, because the mean of its divisors is an integer number (398280).

Almost surely, 2^4121577 is an apocalyptic number.

It is an amenable number.

4121577 is a deficient number, since it is larger than the sum of its proper divisors (2250903).

4121577 is a wasteful number, since it uses less digits than its factorization.

4121577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6669 (or 6663 counting only the distinct ones).

The product of its digits is 1960, while the sum is 27.

The square root of 4121577 is about 2030.1667419205. The cubic root of 4121577 is about 160.3323430518.

It can be divided in two parts, 412157 and 7, that added together give a square (412164 = 642²).

The spelling of 4121577 in words is "four million, one hundred twenty-one thousand, five hundred seventy-seven".