1125554 has 8 divisors (see below), whose sum is σ = 1699968. Its totient is φ = 558900.

The previous prime is 1125539. The next prime is 1125557. The reversal of 1125554 is 4555211.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (1125557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1562 + ... + 2165.

It is an arithmetic number, because the mean of its divisors is an integer number (212496).

2^1125554 is an apocalyptic number.

1125554 is a deficient number, since it is larger than the sum of its proper divisors (574414).

1125554 is a wasteful number, since it uses less digits than its factorization.

1125554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3880.

The product of its digits is 1000, while the sum is 23.

The square root of 1125554 is about 1060.9212977408. The cubic root of 1125554 is about 104.0212604464.

The spelling of 1125554 in words is "one million, one hundred twenty-five thousand, five hundred fifty-four".