2124154 has 8 divisors (see below), whose sum is σ = 3230100. Its totient is φ = 1047456.

The previous prime is 2124149. The next prime is 2124173. The reversal of 2124154 is 4514212.

It can be written as a sum of positive squares in 2 ways, for example, as 2024929 + 99225 = 1423^2 + 315^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7129 + ... + 7420.

2^2124154 is an apocalyptic number.

2124154 is a deficient number, since it is larger than the sum of its proper divisors (1105946).

2124154 is a wasteful number, since it uses less digits than its factorization.

2124154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14624.

The product of its digits is 320, while the sum is 19.

The square root of 2124154 is about 1457.4477692185. The cubic root of 2124154 is about 128.5470160587.

Adding to 2124154 its reverse (4514212), we get a palindrome (6638366).

It can be divided in two parts, 2124 and 154, that added together give a triangular number (2278 = T₆₇).

The spelling of 2124154 in words is "two million, one hundred twenty-four thousand, one hundred fifty-four".