5121455 has 8 divisors (see below), whose sum is σ = 6190800. Its totient is φ = 4067136.

The previous prime is 5121439. The next prime is 5121463. The reversal of 5121455 is 5541215.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5121455 - 2⁴ = 5121439 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5121455.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2990 + ... + 4379.

It is an arithmetic number, because the mean of its divisors is an integer number (773850).

Almost surely, 2^5121455 is an apocalyptic number.

5121455 is a deficient number, since it is larger than the sum of its proper divisors (1069345).

5121455 is a wasteful number, since it uses less digits than its factorization.

5121455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7513.

The product of its digits is 1000, while the sum is 23.

The square root of 5121455 is about 2263.0631895729. The cubic root of 5121455 is about 172.3711002316.

The spelling of 5121455 in words is "five million, one hundred twenty-one thousand, four hundred fifty-five".