1130155 has 8 divisors (see below), whose sum is σ = 1460592. Its totient is φ = 834528.

The previous prime is 1130131. The next prime is 1130191. The reversal of 1130155 is 5510311.

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 1130155 - 2⁵ = 1130123 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8629 + ... + 8758.

It is an arithmetic number, because the mean of its divisors is an integer number (182574).

2^1130155 is an apocalyptic number.

1130155 is a deficient number, since it is larger than the sum of its proper divisors (330437).

1130155 is a wasteful number, since it uses less digits than its factorization.

1130155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17405.

The product of its (nonzero) digits is 75, while the sum is 16.

The square root of 1130155 is about 1063.0874846408. The cubic root of 1130155 is about 104.1628059014.

Adding to 1130155 its reverse (5510311), we get a palindrome (6640466).

It can be divided in two parts, 11 and 30155, that multiplied together give a triangular number (331705 = T₈₁₄).

The spelling of 1130155 in words is "one million, one hundred thirty thousand, one hundred fifty-five".