3561123 has 8 divisors (see below), whose sum is σ = 4837968. Its totient is φ = 2329184.

The previous prime is 3561097. The next prime is 3561127. The reversal of 3561123 is 3211653.

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

It is a cyclic number.

It is not a de Polignac number, because 3561123 - 2⁵ = 3561091 is a prime.

It is a super-2 number, since 2×3561123² = 25363194042258, which contains 22 as substring.

3561123 is a lucky number.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 3561123.

It is not an unprimeable number, because it can be changed into a prime (3561127) 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, 11040 + ... + 11357.

It is an arithmetic number, because the mean of its divisors is an integer number (604746).

Almost surely, 2^3561123 is an apocalyptic number.

3561123 is a deficient number, since it is larger than the sum of its proper divisors (1276845).

3561123 is a wasteful number, since it uses less digits than its factorization.

3561123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22453.

The product of its digits is 540, while the sum is 21.

The square root of 3561123 is about 1887.0937973508. The cubic root of 3561123 is about 152.7081882912.

Adding to 3561123 its reverse (3211653), we get a palindrome (6772776).

The spelling of 3561123 in words is "three million, five hundred sixty-one thousand, one hundred twenty-three".