2124240155 has 8 divisors (see below), whose sum is σ = 2550336192. Its totient is φ = 1698560128.

The previous prime is 2124240137. The next prime is 2124240161. The reversal of 2124240155 is 5510424212.

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 2124240155 - 2⁶ = 2124240091 is a prime.

It is a super-2 number, since 2×2124240155² = 9024792472228848050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92654 + ... + 113283.

It is an arithmetic number, because the mean of its divisors is an integer number (318792024).

Almost surely, 2^2124240155 is an apocalyptic number.

2124240155 is a deficient number, since it is larger than the sum of its proper divisors (426096037).

2124240155 is a wasteful number, since it uses less digits than its factorization.

2124240155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208005.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 2124240155 is about 46089.4798733941. The cubic root of 2124240155 is about 1285.4875397699.

Adding to 2124240155 its reverse (5510424212), we get a palindrome (7634664367).

The spelling of 2124240155 in words is "two billion, one hundred twenty-four million, two hundred forty thousand, one hundred fifty-five".