5121955 has 4 divisors (see below), whose sum is σ = 6146352. Its totient is φ = 4097560.

The previous prime is 5121953. The next prime is 5121959. The reversal of 5121955 is 5591215.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 5121955 - 2¹ = 5121953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5121953) 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, 512191 + ... + 512200.

It is an arithmetic number, because the mean of its divisors is an integer number (1536588).

Almost surely, 2^5121955 is an apocalyptic number.

5121955 is a deficient number, since it is larger than the sum of its proper divisors (1024397).

5121955 is a wasteful number, since it uses less digits than its factorization.

5121955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024396.

The product of its digits is 2250, while the sum is 28.

The square root of 5121955 is about 2263.1736566159. The cubic root of 5121955 is about 172.3767094934.

The spelling of 5121955 in words is "five million, one hundred twenty-one thousand, nine hundred fifty-five".