1154154 has 16 divisors (see below), whose sum is σ = 2325600. Its totient is φ = 381840.

The previous prime is 1154129. The next prime is 1154159. The reversal of 1154154 is 4514511.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1154154.

It is not an unprimeable number, because it can be changed into a prime (1154159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249 + ... + 1539.

It is an arithmetic number, because the mean of its divisors is an integer number (145350).

2^1154154 is an apocalyptic number.

1154154 is an abundant number, since it is smaller than the sum of its proper divisors (1171446).

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

1154154 is a wasteful number, since it uses less digits than its factorization.

1154154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445.

The product of its digits is 400, while the sum is 21.

The square root of 1154154 is about 1074.3155960890. The cubic root of 1154154 is about 104.8949516276.

Adding to 1154154 its reverse (4514511), we get a palindrome (5668665).

The spelling of 1154154 in words is "one million, one hundred fifty-four thousand, one hundred fifty-four".