1134945 has 32 divisors (see below), whose sum is σ = 2307840. Its totient is φ = 518400.

The previous prime is 1134929. The next prime is 1134961. The reversal of 1134945 is 5494311.

It is an interprime number because it is at equal distance from previous prime (1134929) and next prime (1134961).

It is not a de Polignac number, because 1134945 - 2⁴ = 1134929 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 345 + ... + 1545.

It is an arithmetic number, because the mean of its divisors is an integer number (72120).

2^1134945 is an apocalyptic number.

1134945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1134945 is an abundant number, since it is smaller than the sum of its proper divisors (1172895).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1134945 is a wasteful number, since it uses less digits than its factorization.

1134945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222 (or 1216 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 1134945 is about 1065.3379745414. The cubic root of 1134945 is about 104.3097581927.

The spelling of 1134945 in words is "one million, one hundred thirty-four thousand, nine hundred forty-five".