2151124 has 6 divisors (see below), whose sum is σ = 3764474. Its totient is φ = 1075560.

The previous prime is 2151119. The next prime is 2151137. The reversal of 2151124 is 4211512.

It can be written as a sum of positive squares in only one way, i.e., 1932100 + 219024 = 1390^2 + 468^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2151098 and 2151107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268887 + ... + 268894.

2^2151124 is an apocalyptic number.

It is an amenable number.

2151124 is a deficient number, since it is larger than the sum of its proper divisors (1613350).

2151124 is a wasteful number, since it uses less digits than its factorization.

2151124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537785 (or 537783 counting only the distinct ones).

The product of its digits is 80, while the sum is 16.

The square root of 2151124 is about 1466.6710605995. The cubic root of 2151124 is about 129.0887757007.

Adding to 2151124 its reverse (4211512), we get a palindrome (6362636).

The spelling of 2151124 in words is "two million, one hundred fifty-one thousand, one hundred twenty-four".