2401155 has 12 divisors (see below), whose sum is σ = 4162080. Its totient is φ = 1280592.

The previous prime is 2401127. The next prime is 2401159. The reversal of 2401155 is 5511042.

It is not a de Polignac number, because 2401155 - 2¹⁴ = 2384771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2401159) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26635 + ... + 26724.

It is an arithmetic number, because the mean of its divisors is an integer number (346840).

2^2401155 is an apocalyptic number.

2401155 is a deficient number, since it is larger than the sum of its proper divisors (1760925).

2401155 is a wasteful number, since it uses less digits than its factorization.

2401155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53370 (or 53367 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 2401155 is about 1549.5660682914. The cubic root of 2401155 is about 133.9080642125.

Adding to 2401155 its reverse (5511042), we get a palindrome (7912197).

It can be divided in two parts, 2401 and 155, that added together give a triangular number (2556 = T₇₁).

The spelling of 2401155 in words is "two million, four hundred one thousand, one hundred fifty-five".