2124534451 has 4 divisors (see below), whose sum is σ = 2287960192. Its totient is φ = 1961108712.

The previous prime is 2124534443. The next prime is 2124534469. The reversal of 2124534451 is 1544354212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2124534451 - 2³ = 2124534443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2124564451) 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, 81712851 + ... + 81712876.

It is an arithmetic number, because the mean of its divisors is an integer number (571990048).

Almost surely, 2^2124534451 is an apocalyptic number.

2124534451 is a deficient number, since it is larger than the sum of its proper divisors (163425741).

2124534451 is a wasteful number, since it uses less digits than its factorization.

2124534451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163425740.

The product of its digits is 19200, while the sum is 31.

The square root of 2124534451 is about 46092.6724219805. The cubic root of 2124534451 is about 1285.5469016035.

Adding to 2124534451 its reverse (1544354212), we get a palindrome (3668888663).

It can be divided in two parts, 21245 and 34451, that added together give a square (55696 = 236²).

The spelling of 2124534451 in words is "two billion, one hundred twenty-four million, five hundred thirty-four thousand, four hundred fifty-one".