1121454 has 12 divisors (see below), whose sum is σ = 2429856. Its totient is φ = 373812.

The previous prime is 1121453. The next prime is 1121509. The reversal of 1121454 is 4541211.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 62303 = 1121454 / (1 + 1 + 2 + 1 + 4 + 5 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121453) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31134 + ... + 31169.

It is an arithmetic number, because the mean of its divisors is an integer number (202488).

2^1121454 is an apocalyptic number.

1121454 is an abundant number, since it is smaller than the sum of its proper divisors (1308402).

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

1121454 is a wasteful number, since it uses less digits than its factorization.

1121454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62311 (or 62308 counting only the distinct ones).

The product of its digits is 160, while the sum is 18.

The square root of 1121454 is about 1058.9872520479. The cubic root of 1121454 is about 103.8948024040.

Adding to 1121454 its reverse (4541211), we get a palindrome (5662665).

The spelling of 1121454 in words is "one million, one hundred twenty-one thousand, four hundred fifty-four".