1150155 has 24 divisors (see below), whose sum is σ = 2031120. Its totient is φ = 601920.

The previous prime is 1150151. The next prime is 1150159. The reversal of 1150155 is 5510511.

It is an interprime number because it is at equal distance from previous prime (1150151) and next prime (1150159).

It is not a de Polignac number, because 1150155 - 2² = 1150151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1150151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2536 + ... + 2954.

It is an arithmetic number, because the mean of its divisors is an integer number (84630).

2^1150155 is an apocalyptic number.

1150155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1150155 is a deficient number, since it is larger than the sum of its proper divisors (880965).

1150155 is a wasteful number, since it uses less digits than its factorization.

1150155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491 (or 488 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 18.

The square root of 1150155 is about 1072.4527961640. The cubic root of 1150155 is about 104.7736621167.

Adding to 1150155 its reverse (5510511), we get a palindrome (6660666).

The spelling of 1150155 in words is "one million, one hundred fifty thousand, one hundred fifty-five".