5120155 has 4 divisors (see below), whose sum is σ = 6144192. Its totient is φ = 4096120.

The previous prime is 5120131. The next prime is 5120183. The reversal of 5120155 is 5510215.

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

It is not a de Polignac number, because 5120155 - 2⁵ = 5120123 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 512011 + ... + 512020.

It is an arithmetic number, because the mean of its divisors is an integer number (1536048).

Almost surely, 2^5120155 is an apocalyptic number.

5120155 is a deficient number, since it is larger than the sum of its proper divisors (1024037).

5120155 is a wasteful number, since it uses less digits than its factorization.

5120155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024036.

The product of its (nonzero) digits is 250, while the sum is 19.

The square root of 5120155 is about 2262.7759500224. The cubic root of 5120155 is about 172.3565144422.

The spelling of 5120155 in words is "five million, one hundred twenty thousand, one hundred fifty-five".