3551123242 has 8 divisors (see below), whose sum is σ = 5456604132. Its totient is φ = 1732255200.

The previous prime is 3551123221. The next prime is 3551123243. The reversal of 3551123242 is 2423211553.

It can be written as a sum of positive squares in 2 ways, for example, as 3164175001 + 386948241 = 56251^2 + 19671^2 .

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

It is a super-2 number, since 2×3551123242² = 25220952559745181128, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3551123242.

It is not an unprimeable number, because it can be changed into a prime (3551123243) 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, 21653109 + ... + 21653272.

Almost surely, 2^3551123242 is an apocalyptic number.

3551123242 is a deficient number, since it is larger than the sum of its proper divisors (1905480890).

3551123242 is a wasteful number, since it uses less digits than its factorization.

3551123242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43306424.

The product of its digits is 7200, while the sum is 28.

The square root of 3551123242 is about 59591.3017310413. The cubic root of 3551123242 is about 1525.6511764627.

Adding to 3551123242 its reverse (2423211553), we get a palindrome (5974334795).

The spelling of 3551123242 in words is "three billion, five hundred fifty-one million, one hundred twenty-three thousand, two hundred forty-two".