1155954 has 32 divisors (see below), whose sum is σ = 2451456. Its totient is φ = 362880.

The previous prime is 1155953. The next prime is 1155961. The reversal of 1155954 is 4595511.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1155953) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9039 + ... + 9165.

It is an arithmetic number, because the mean of its divisors is an integer number (76608).

2^1155954 is an apocalyptic number.

1155954 is an abundant number, since it is smaller than the sum of its proper divisors (1295502).

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

1155954 is a wasteful number, since it uses less digits than its factorization.

1155954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210.

The product of its digits is 4500, while the sum is 30.

The square root of 1155954 is about 1075.1530123661. The cubic root of 1155954 is about 104.9494541297.

It can be divided in two parts, 1155 and 954, that multiplied together give a triangular number (1101870 = T₁₄₈₄).

The spelling of 1155954 in words is "one million, one hundred fifty-five thousand, nine hundred fifty-four".