1130455 has 8 divisors (see below), whose sum is σ = 1369872. Its totient is φ = 895488.

The previous prime is 1130447. The next prime is 1130471. The reversal of 1130455 is 5540311.

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 1130455 - 2³ = 1130447 is a prime.

It is a super-3 number, since 3×1130455³ = 4333922011226839125, which contains 333 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent 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, 522 + ... + 1591.

It is an arithmetic number, because the mean of its divisors is an integer number (171234).

2^1130455 is an apocalyptic number.

1130455 is a deficient number, since it is larger than the sum of its proper divisors (239417).

1130455 is a wasteful number, since it uses less digits than its factorization.

1130455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2225.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 1130455 is about 1063.2285737319. The cubic root of 1130455 is about 104.1720217691.

Adding to 1130455 its reverse (5540311), we get a palindrome (6670766).

It can be divided in two parts, 113045 and 5, that added together give a triangular number (113050 = T₄₇₅).

The spelling of 1130455 in words is "one million, one hundred thirty thousand, four hundred fifty-five".