1061504 has 16 divisors (see below), whose sum is σ = 2114970. Its totient is φ = 530688.

The previous prime is 1061483. The next prime is 1061509. The reversal of 1061504 is 4051601.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1000000 + 61504 = 1000^2 + 248^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×1061504² = 2253581484032, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1061509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4019 + ... + 4274.

2^1061504 is an apocalyptic number.

It is an amenable number.

1061504 is a deficient number, since it is larger than the sum of its proper divisors (1053466).

1061504 is an frugal number, since it uses more digits than its factorization.

1061504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8307 (or 8295 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1061504 is about 1030.2931621631. The cubic root of 1061504 is about 102.0094826504.

The spelling of 1061504 in words is "one million, sixty-one thousand, five hundred four".