1121154 has 8 divisors (see below), whose sum is σ = 2242320. Its totient is φ = 373716.

The previous prime is 1121147. The next prime is 1121173. The reversal of 1121154 is 4511211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

1121154 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93424 + ... + 93435.

It is an arithmetic number, because the mean of its divisors is an integer number (280290).

2^1121154 is an apocalyptic number.

1121154 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1121154 is a wasteful number, since it uses less digits than its factorization.

1121154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186864.

The product of its digits is 40, while the sum is 15.

The square root of 1121154 is about 1058.8455978092. The cubic root of 1121154 is about 103.8855372832.

Adding to 1121154 its reverse (4511211), we get a palindrome (5632365).

It can be divided in two parts, 1121 and 154, that added together give a triangular number (1275 = T₅₀).

The spelling of 1121154 in words is "one million, one hundred twenty-one thousand, one hundred fifty-four".